Demonstrator Or Exhibitor (10) Patents (Class D19/62)
Vehicle trainer (Class D19/63)
Movable indicator or changeable exhibitor (Class D19/64)
  • Indicator for classroom control and education
    Patent number: D265100
    Type: Grant
    Filed: October 4, 1979
    Date of Patent: June 22, 1982
    Inventor: Ruth R. Oettinger
  • Educational electronic analog computer laboratory
    Patent number: D265322
    Type: Grant
    Filed: March 21, 1979
    Date of Patent: July 6, 1982
    Inventor: Edwin Z. Gabriel
  • Physiological display panel
    Patent number: D267019
    Type: Grant
    Filed: October 22, 1979
    Date of Patent: November 23, 1982
    Assignee: Space Odyssey Ltd.
    Inventor: Bruce Goldsmith
  • Model skull
    Patent number: D269448
    Type: Grant
    Filed: October 27, 1980
    Date of Patent: June 21, 1983
    Inventors: Bryan Fisher, Richard J. Miller
  • Demonstrator for indicating the effect of additive in engine oil and the like
    Patent number: D270073
    Type: Grant
    Filed: June 12, 1981
    Date of Patent: August 9, 1983
    Assignee: Dolores E. Stead
    Inventor: Clinton H. Morey
  • Display surface of the drug effect on brain capillary blood flow and nerve impulse transmission demonstrator
    Patent number: D272833
    Type: Grant
    Filed: November 4, 1981
    Date of Patent: February 28, 1984
    Inventors: Daniel van Assche, Claude Birgy, Armin Kessler, Gernot Gmelin
  • Model church for teaching religious procedures or the like
    Patent number: D273797
    Type: Grant
    Filed: August 31, 1981
    Date of Patent: May 8, 1984
    Inventor: Olivia Richardson
  • Beta blocker demonstration housing or the like
    Patent number: D275298
    Type: Grant
    Filed: January 29, 1982
    Date of Patent: August 28, 1984
    Assignee: Sandoz, Inc.
    Inventor: Alfred H. Wimmershoff
  • Venetian blind color sampler packet
    Patent number: D275337
    Type: Grant
    Filed: June 30, 1982
    Date of Patent: September 4, 1984
    Assignee: Levolor Lorentzen, Inc.
    Inventor: Jasmina Forcan
  • Venetian blind and shade color sampler packet
    Patent number: D275817
    Type: Grant
    Filed: June 30, 1982
    Date of Patent: October 9, 1984
    Assignee: Levolor Lorentzen, Inc.
    Inventor: William A. Keyser
  • Toy take-apart engine
    Patent number: D278163
    Type: Grant
    Filed: August 18, 1982
    Date of Patent: March 26, 1985
    Inventors: Robert L. Carignan, Timothy Effler, John E. Holden
  • Block for electrical circuitry assembly kits
    Patent number: D278353
    Type: Grant
    Filed: August 30, 1982
    Date of Patent: April 9, 1985
    Inventor: Yechiel Salit
  • Set of molecular model construction pieces
    Patent number: D278834
    Type: Grant
    Filed: April 21, 1982
    Date of Patent: May 14, 1985
    Inventor: Kazuhisa Satoh
  • Power factor demonstrator
    Patent number: D279298
    Type: Grant
    Filed: November 8, 1982
    Date of Patent: June 18, 1985
    Assignee: McGraw-Edison Company
    Inventor: Kenneth J. Petrus
  • Educational electronic experimentation laboratory
    Patent number: D281083
    Type: Grant
    Filed: August 1, 1983
    Date of Patent: October 22, 1985
    Inventor: Edwin Z. Gabriel
  • Toy clown doll
    Patent number: D283237
    Type: Grant
    Filed: February 7, 1984
    Date of Patent: April 1, 1986
    Assignee: The Quaker Oats Company
    Inventor: Tell, Robert A.
  • Guitar practice card
    Patent number: D284203
    Type: Grant
    Filed: August 30, 1983
    Date of Patent: June 10, 1986
    Inventor: Duhain Landau
  • Teeth model
    Patent number: D286059
    Type: Grant
    Filed: December 1, 1983
    Date of Patent: October 7, 1986
    Assignee: Health Education Counsil
    Inventors: Michael Craft, Peter C. Hemming
  • Demonstrator for indicating the effect of additive in engine oil and the like
    Patent number: D286060
    Type: Grant
    Filed: April 30, 1984
    Date of Patent: October 7, 1986
    Assignee: Dolores E. Stead
    Inventor: Clinton H. Morey
  • Demonstrator for engine oil additive
    Patent number: D286651
    Type: Grant
    Filed: December 10, 1984
    Date of Patent: November 11, 1986
    Assignee: Dolores E. Stead
    Inventor: Clinton H. Morey
  • Model skeleton
    Patent number: D286652
    Type: Grant
    Filed: October 21, 1983
    Date of Patent: November 11, 1986
    Inventors: Bryan Fisher, Richard J. Millar
  • Toy activity book
    Patent number: D288943
    Type: Grant
    Filed: July 23, 1984
    Date of Patent: March 24, 1987
    Inventor: Frederick H. Kroll
  • Karate training device
    Patent number: D289775
    Type: Grant
    Filed: July 27, 1984
    Date of Patent: May 12, 1987
    Inventor: William L. Burdette
  • Demonstration device
    Patent number: D292932
    Type: Grant
    Filed: November 13, 1984
    Date of Patent: November 24, 1987
    Assignee: Codman & Shurtleff Inc.
    Inventor: Joseph A. McGinley
  • Question and answer cube
    Patent number: D294714
    Type: Grant
    Filed: August 5, 1985
    Date of Patent: March 15, 1988
    Inventor: David W. Johnson
  • Planetarium or similar article
    Patent number: D294715
    Type: Grant
    Filed: September 27, 1985
    Date of Patent: March 15, 1988
    Assignee: Minolta Camera Kabushiki Kaisha
    Inventors: Masamitsu Hattori, Kenji Shiba, Takatsugu Yoshida
  • Note paper holder
    Patent number: D297549
    Type: Grant
    Filed: August 19, 1985
    Date of Patent: September 6, 1988
    Assignee: Don Evans, Inc.
    Inventor: Arlan D. Lothe
  • Lectern
    Patent number: D298638
    Type: Grant
    Filed: April 15, 1985
    Date of Patent: November 22, 1988
    Inventor: William F. Smith, Sr.
  • Music teaching device
    Patent number: D302701
    Type: Grant
    Filed: April 11, 1986
    Date of Patent: August 8, 1989
    Assignee: Trinity Music Computer, Inc.
    Inventor: Steven Conaway
  • Experimental electronics trainer
    Patent number: D304957
    Type: Grant
    Filed: October 3, 1986
    Date of Patent: December 5, 1989
    Assignee: Interplex Electronics,Inc.
    Inventor: Robert A. Melone
  • Lection
    Patent number: D306459
    Type: Grant
    Filed: August 11, 1988
    Date of Patent: March 6, 1990
    Inventor: William F. Smith, Sr.
  • Kit for teaching color coordination
    Patent number: D309325
    Type: Grant
    Filed: November 6, 1987
    Date of Patent: July 17, 1990
    Inventor: Christine Halls
  • Illuminated map holder
    Patent number: D310576
    Type: Grant
    Filed: January 15, 1988
    Date of Patent: September 11, 1990
    Inventors: Theresa M. Narbut, Andres E. Ramirez
  • Architectural learning device
    Patent number: D310686
    Type: Grant
    Filed: February 13, 1987
    Date of Patent: September 18, 1990
    Assignee: Patail Enterprises, Inc.
    Inventors: Timothy L. Tacquard, Patricia B. Gillfillan
  • Display device for illustrating scientific codes, and corresponding hexagrams
    Patent number: D313625
    Type: Grant
    Filed: December 18, 1987
    Date of Patent: January 8, 1991
    Inventors: Johnson F. Yan, Suzie C. Yan
  • Educational shoe toy
    Patent number: D314404
    Type: Grant
    Filed: January 23, 1989
    Date of Patent: February 5, 1991
    Assignee: Wolverine World Wide, Inc.
    Inventor: Scott C. Sessa
  • Security system demonstrator
    Patent number: D314791
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: February 19, 1991
    Inventor: Shih-Ming Hwang
  • Mathematical aid
    Patent number: D317787
    Type: Grant
    Filed: February 21, 1990
    Date of Patent: June 25, 1991
    Inventors: William A. Davidson, Silvia Davidson, John D. Charters
  • Tabletop novelty
    Patent number: D319803
    Type: Grant
    Filed: August 21, 1989
    Date of Patent: September 10, 1991
    Inventor: Joe Traner
  • Simulated basketball player
    Patent number: D321370
    Type: Grant
    Filed: December 27, 1988
    Date of Patent: November 5, 1991
    Inventor: Michael Curtis
  • Video training device
    Patent number: D323351
    Type: Grant
    Filed: January 5, 1990
    Date of Patent: January 21, 1992
    Assignee: Interactive Internationl, Inc.
    Inventors: George M. Bulow, Robert B. Staubitz, Robert H. Bruno
  • Combined flashlight and insect viewing container
    Patent number: D323674
    Type: Grant
    Filed: February 7, 1989
    Date of Patent: February 4, 1992
    Assignee: James F. Mariol
    Inventor: David L. Winslow
  • Suture training board for microsurgery
    Patent number: D326112
    Type: Grant
    Filed: October 12, 1989
    Date of Patent: May 12, 1992
    Inventor: J. Dean Zikria
  • Combined lab case and test tube holder
    Patent number: D328498
    Type: Grant
    Filed: March 2, 1990
    Date of Patent: August 4, 1992
    Inventors: Lars Runquist, Olaf A. Runquist
  • Simulated gemstone color guide
    Patent number: D328612
    Type: Grant
    Filed: October 5, 1989
    Date of Patent: August 11, 1992
    Assignee: K. G. Roberts & Associates, Inc.
    Inventors: Kenneth G. Roberts, Elaine E. Roberts
  • Combined case and sexual education kit
    Patent number: D330726
    Type: Grant
    Filed: September 18, 1989
    Date of Patent: November 3, 1992
    Assignee: Janal Creations Inc.
    Inventor: Allen W. Craven
  • Combined twin-nibbed marker and level
    Patent number: D330910
    Type: Grant
    Filed: January 16, 1991
    Date of Patent: November 10, 1992
    Assignee: Edwin E. Warburton
    Inventor: Edwin E. Warburton
  • Model of a prostate gland
    Patent number: D334024
    Type: Grant
    Filed: September 10, 1990
    Date of Patent: March 16, 1993
    Inventor: Michel Ganansia
  • Model of the universe with planets and stars
    Patent number: D334773
    Type: Grant
    Filed: April 11, 1991
    Date of Patent: April 13, 1993
    Inventor: Albert R. Simpson
  • Electronic circuit setup station for education and training
    Patent number: D336634
    Type: Grant
    Filed: August 12, 1991
    Date of Patent: June 22, 1993
    Assignee: Interplex Electronics, Inc.
    Inventors: William F. Richardson, Robert Melone