Card Type (8) Patents (Class D20/40)
  • Patent number: 4422852
    Abstract: A teaching aid having an alongated backing including an open slot terminating into a central opening. One end of the aid has a picture of a face. Printed indicia is on the elongated backing. The process for teaching comprises pivoting the teaching aid around the doorknob shaft into a generally horizontal position such that a child can readily read all of the indicia.
    Type: Grant
    Filed: March 1, 1982
    Date of Patent: December 27, 1983
    Inventor: Emily A. Mathias
  • Patent number: D251815
    Type: Grant
    Filed: August 4, 1977
    Date of Patent: May 8, 1979
    Inventor: Ben D. Looney
  • Patent number: D262802
    Type: Grant
    Filed: October 22, 1979
    Date of Patent: January 26, 1982
    Inventors: Carl J. Ylvisaker, Paul E. Ylvisaker
  • Patent number: D263319
    Type: Grant
    Filed: March 12, 1980
    Date of Patent: March 9, 1982
    Assignee: Eastern Electrical Equipment Co., Inc.
    Inventor: Bernard E. Shuman
  • Patent number: D264731
    Type: Grant
    Filed: February 4, 1980
    Date of Patent: June 1, 1982
    Inventor: Bernard E. Shuman
  • Patent number: D268010
    Type: Grant
    Filed: June 15, 1981
    Date of Patent: February 22, 1983
    Assignee: Wm. E. Wright Co.
    Inventor: John D. O'Brien
  • Patent number: D268120
    Type: Grant
    Filed: May 18, 1981
    Date of Patent: March 1, 1983
    Inventor: Daniel Kleiner
  • Patent number: D268424
    Type: Grant
    Filed: November 6, 1980
    Date of Patent: March 29, 1983
    Assignee: Eastern Electrical Equipment Co., Inc.
    Inventor: Bernard E. Shuman
  • Patent number: D274278
    Type: Grant
    Filed: June 1, 1981
    Date of Patent: June 12, 1984
    Assignee: Sable Enterprises (Proprietary) Limited
    Inventors: Frank V. Haymann, David A. King
  • Patent number: D280646
    Type: Grant
    Filed: September 23, 1980
    Date of Patent: September 17, 1985
    Inventors: James T. Howard, Mary W. Howard
  • Patent number: D281081
    Type: Grant
    Filed: September 15, 1981
    Date of Patent: October 22, 1985
    Inventors: Ruedi Zwissler, Els Maehr
  • Patent number: D284587
    Type: Grant
    Filed: June 22, 1983
    Date of Patent: July 8, 1986
    Inventor: Phillip L. Nally
  • Patent number: D284982
    Type: Grant
    Filed: December 20, 1983
    Date of Patent: August 5, 1986
    Assignee: Ingenjorsfirma Knut Collinder AB
    Inventor: Knut H. Collinder
  • Patent number: D286862
    Type: Grant
    Filed: June 25, 1984
    Date of Patent: November 25, 1986
    Inventor: Sam P. Yu
  • Patent number: D287031
    Type: Grant
    Filed: December 3, 1984
    Date of Patent: December 2, 1986
    Inventor: Robert J. Cunitz
  • Patent number: D291454
    Type: Grant
    Filed: October 3, 1985
    Date of Patent: August 18, 1987
    Inventor: John Broadfoot
  • Patent number: D292421
    Type: Grant
    Filed: June 10, 1986
    Date of Patent: October 20, 1987
    Inventor: Hugh P. Rafferty
  • Patent number: D293692
    Type: Grant
    Filed: June 7, 1985
    Date of Patent: January 12, 1988
    Inventor: Diane Ippati-Dingli
  • Patent number: D293693
    Type: Grant
    Filed: June 6, 1985
    Date of Patent: January 12, 1988
    Inventor: Diane Ippati-Dingli
  • Patent number: D305779
    Type: Grant
    Filed: September 11, 1986
    Date of Patent: January 30, 1990
    Inventor: Frederick G. Schriever
  • Patent number: D313050
    Type: Grant
    Filed: March 13, 1990
    Date of Patent: December 18, 1990
    Assignee: Gastro-Gnomes, Inc.
    Inventor: Karen E. Burgess
  • Patent number: D315364
    Type: Grant
    Filed: September 23, 1988
    Date of Patent: March 12, 1991
    Assignee: Design Network U.S.A., Inc.
    Inventors: John J. Scalice, John O. Bosworth
  • Patent number: D323356
    Type: Grant
    Filed: December 3, 1990
    Date of Patent: January 21, 1992
    Assignee: Eldon Industries, Inc.
    Inventor: James Hofman
  • Patent number: D323679
    Type: Grant
    Filed: May 18, 1990
    Date of Patent: February 4, 1992
    Assignee: Gastro-Gnomes, Inc.
    Inventor: Karen E. Burgess
  • Patent number: D324079
    Type: Grant
    Filed: March 20, 1991
    Date of Patent: February 18, 1992
    Assignee: Gastro-Gnomes, Inc.
    Inventor: Karen E. Burgess
  • Patent number: D324832
    Type: Grant
    Filed: March 14, 1990
    Date of Patent: March 24, 1992
    Inventors: Andrew A. Boschetto, Todd R. Boschetto
  • Patent number: D325602
    Type: Grant
    Filed: November 26, 1990
    Date of Patent: April 21, 1992
    Assignee: Gastro-Gnomes, Inc.
    Inventor: Karen E. Burgess
  • Patent number: D325936
    Type: Grant
    Filed: January 22, 1991
    Date of Patent: May 5, 1992
    Assignee: Gastro-Gnomes, Inc.
    Inventor: Karen E. Burgess
  • Patent number: D327229
    Type: Grant
    Filed: April 10, 1990
    Date of Patent: June 23, 1992
    Inventor: Bruce K. Bonneville
  • Patent number: D327710
    Type: Grant
    Filed: September 6, 1989
    Date of Patent: July 7, 1992
    Assignee: Eldon Industries, Inc.
    Inventor: James Hofman
  • Patent number: D328470
    Type: Grant
    Filed: March 9, 1990
    Date of Patent: August 4, 1992
    Assignee: Ad Vids, Inc.
    Inventors: Kevin Costello, Edward Walter
  • Patent number: D328473
    Type: Grant
    Filed: December 26, 1989
    Date of Patent: August 4, 1992
    Inventor: Henry R. Mayden
  • Patent number: D331604
    Type: Grant
    Filed: August 9, 1990
    Date of Patent: December 8, 1992
    Assignee: American Sign and Marketing Services, Inc.
    Inventor: Donald H. Niehaus
  • Patent number: D331945
    Type: Grant
    Filed: June 28, 1991
    Date of Patent: December 22, 1992
    Assignee: Gastro-Gnomes, Inc.
    Inventor: Karen E. Burgess
  • Patent number: D331946
    Type: Grant
    Filed: June 28, 1991
    Date of Patent: December 22, 1992
    Assignee: Gastro-Gnomes, Inc.
    Inventor: Karen E. Burgess
  • Patent number: D331947
    Type: Grant
    Filed: May 20, 1991
    Date of Patent: December 22, 1992
    Inventors: Robert R. Blish, Steven L. Dunstan
  • Patent number: D332287
    Type: Grant
    Filed: July 9, 1990
    Date of Patent: January 5, 1993
    Inventors: Kathryn A. Evans, Robert A. Ferreira
  • Patent number: D333163
    Type: Grant
    Filed: September 17, 1991
    Date of Patent: February 9, 1993
    Inventor: Joseph H. Mendelsohn
  • Patent number: D333317
    Type: Grant
    Filed: April 2, 1991
    Date of Patent: February 16, 1993
    Inventor: Hector E. Jimenez T.
  • Patent number: D333321
    Type: Grant
    Filed: September 14, 1989
    Date of Patent: February 16, 1993
    Inventors: Ronald P. Barros, James Jackson
  • Patent number: D333682
    Type: Grant
    Filed: August 15, 1991
    Date of Patent: March 2, 1993
    Assignee: Gastro-Gnomes, Inc.
    Inventor: Karen E. Burgess
  • Patent number: D333846
    Type: Grant
    Filed: June 28, 1991
    Date of Patent: March 9, 1993
    Inventor: David M. Graham
  • Patent number: D334216
    Type: Grant
    Filed: July 18, 1990
    Date of Patent: March 23, 1993
    Inventor: Blane A. Bacon
  • Patent number: D334597
    Type: Grant
    Filed: June 4, 1990
    Date of Patent: April 6, 1993
    Inventor: Albert B. Busquets
  • Patent number: D334598
    Type: Grant
    Filed: December 30, 1991
    Date of Patent: April 6, 1993
    Assignee: Gastro-Gnomes, Inc.
    Inventor: Karen E. Burgess
  • Patent number: D336661
    Type: Grant
    Filed: February 4, 1992
    Date of Patent: June 22, 1993
    Assignee: Gastro-Gnomes, Inc.
    Inventor: Karen E. Burgess