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Patents
Office Supplies; Artists And Teachers Materials Patents
Teaching Material Patents
Demonstrator Or Exhibitor (10) Patents
Movable Indicator Or Changeable Exhibitor Patents (Class D19/64)
Movable Indicator Or Changeable Exhibitor Patents (Class D19/64)
Talking-teaching clock toy
Patent number:
D324075
Type:
Grant
Filed:
February 6, 1990
Date of Patent:
February 18, 1992
Assignee:
Video Technology Industries, Inc.
Inventor:
Chi K. Leung
Perpetual calendar
Patent number:
D324698
Type:
Grant
Filed:
March 1, 1990
Date of Patent:
March 17, 1992
Inventor:
Deborah S. Bruns
Teaching aid for children learning algebraic numbers
Patent number:
D333319
Type:
Grant
Filed:
April 3, 1991
Date of Patent:
February 16, 1993
Inventor:
Faa C. Hwang
Max for developing hand-to-eye coordination in infants
Patent number:
D336660
Type:
Grant
Filed:
September 6, 1990
Date of Patent:
June 22, 1993
Assignee:
W. B. Nod & Co.
Inventor:
Linda F. Dial
Children's spelling toy
Patent number:
D342547
Type:
Grant
Filed:
December 9, 1991
Date of Patent:
December 21, 1993
Inventors:
Charles R. Putman, Joyce E. Putman
Mat for developing hand-to-eye coordination in infants
Patent number:
D344544
Type:
Grant
Filed:
September 5, 1990
Date of Patent:
February 22, 1994
Assignee:
W. B. Nod & Company
Inventor:
Linda F. Dial
Mat for developing hand-to-eye coordination in infants
Patent number:
D344976
Type:
Grant
Filed:
September 5, 1990
Date of Patent:
March 8, 1994
Assignee:
W. B. Nod & Company
Inventor:
Linda F. Dial
Mat for developing hand-to-eye coordination in infants
Patent number:
D346621
Type:
Grant
Filed:
September 6, 1990
Date of Patent:
May 3, 1994
Assignee:
W. B. Nod & Company
Inventor:
Linda F. Dial
Combined holder and display device for learning cards
Patent number:
D346823
Type:
Grant
Filed:
September 15, 1992
Date of Patent:
May 10, 1994
Assignee:
Dart Industries Inc.
Inventors:
Brian L. Aiken, Dominick Loscalzo, Anthony J. Barsanti
Educational spinning board game
Patent number:
D347656
Type:
Grant
Filed:
October 29, 1992
Date of Patent:
June 7, 1994
Inventor:
Thomas H. Bumbarger
Rotary disc for making carton faces
Patent number:
D347664
Type:
Grant
Filed:
August 5, 1991
Date of Patent:
June 7, 1994
Inventor:
Suraj K. Sriram
Puzzle for teaching
Patent number:
D350772
Type:
Grant
Filed:
December 4, 1992
Date of Patent:
September 20, 1994
Inventor:
Marcus S. King
Mat for developing hand-to-eye coordination in infants
Patent number:
D351418
Type:
Grant
Filed:
September 6, 1990
Date of Patent:
October 11, 1994
Assignee:
W. B. Nod & Company
Inventor:
Linda F. Dial
Ruler teaching apparatus
Patent number:
D351858
Type:
Grant
Filed:
March 3, 1993
Date of Patent:
October 25, 1994
Inventor:
John J. Jones
Educational board game
Patent number:
D352066
Type:
Grant
Filed:
April 2, 1993
Date of Patent:
November 1, 1994
Inventor:
Richard E. Vanina
Set of instructional golfing cards and case therefor
Patent number:
D357280
Type:
Grant
Filed:
October 7, 1993
Date of Patent:
April 11, 1995
Inventors:
Jurgen Bechler, Hery J. Beer
Electronic educational game board
Patent number:
D361784
Type:
Grant
Filed:
January 31, 1995
Date of Patent:
August 29, 1995
Assignee:
Educational Insights, Inc.
Inventors:
Damon R. Saddler, Gregory B. Bergeron
Alphabet toy
Patent number:
D363093
Type:
Grant
Filed:
June 8, 1994
Date of Patent:
October 10, 1995
Inventor:
Dominic M. Mastroianni
Toy for children to tie knots
Patent number:
D368492
Type:
Grant
Filed:
April 24, 1995
Date of Patent:
April 2, 1996
Inventor:
Melody McLaughlin
Instructional windsurfing gauge
Patent number:
D369185
Type:
Grant
Filed:
March 13, 1995
Date of Patent:
April 23, 1996
Inventor:
Harold R. Steele
Elapsed time teaching aid
Patent number:
D369619
Type:
Grant
Filed:
March 3, 1995
Date of Patent:
May 7, 1996
Inventor:
Janice L. Rogers
Set of instructional first aid cards and case therefor
Patent number:
D370499
Type:
Grant
Filed:
July 10, 1995
Date of Patent:
June 4, 1996
Inventors:
Jurgen Bechler, Hery J. Beer
Interlocking alphabet mat
Patent number:
D370818
Type:
Grant
Filed:
September 1, 1994
Date of Patent:
June 18, 1996
Inventor:
Jeffrey A. D'Alessio
Set of capsules and case therefor for teaching the periodic table of elements
Patent number:
D371162
Type:
Grant
Filed:
May 21, 1993
Date of Patent:
June 25, 1996
Inventor:
Bharat R. S. Poudel
Preschool teaching aid
Patent number:
D373792
Type:
Grant
Filed:
May 30, 1995
Date of Patent:
September 17, 1996
Inventor:
Patsy R. Wall
Mafor decoder navigational ruler
Patent number:
D374403
Type:
Grant
Filed:
June 5, 1995
Date of Patent:
October 8, 1996
Inventor:
Jens A. Hougesen
Children's interactive scrolling calendar
Patent number:
D376616
Type:
Grant
Filed:
February 10, 1995
Date of Patent:
December 17, 1996
Inventor:
Susan E. Mock
Digital/analog teaching clock
Patent number:
D377949
Type:
Grant
Filed:
September 14, 1995
Date of Patent:
February 11, 1997
Inventors:
Richard Woldenberg, Jane Woldenberg, Tirza Ernst, Barbara Plain
Infant activity quilt
Patent number:
D378969
Type:
Grant
Filed:
November 13, 1995
Date of Patent:
April 29, 1997
Assignee:
Lisco, Inc.
Inventor:
Tracy C. Roan
Educational building bones
Patent number:
D383782
Type:
Grant
Filed:
November 29, 1995
Date of Patent:
September 16, 1997
Assignee:
Debbie Decker
Inventor:
Debbie Julia Decker
Clock figure toy
Patent number:
D383809
Type:
Grant
Filed:
September 26, 1995
Date of Patent:
September 16, 1997
Inventor:
Julius C. Ekeoba
Combined watch pin and card holder potty training unit
Patent number:
D385302
Type:
Grant
Filed:
July 11, 1996
Date of Patent:
October 21, 1997
Inventor:
Rex D. Smith
Educational toy
Patent number:
D386789
Type:
Grant
Filed:
September 30, 1996
Date of Patent:
November 25, 1997
Inventor:
James Edmund Willis
Educational board and pieces therefor
Patent number:
D388461
Type:
Grant
Filed:
March 5, 1996
Date of Patent:
December 30, 1997
Assignee:
Invicta Plastics Limited
Inventors:
Andrew Frederick Smith, Gary Nigel Trowell
Book with liquid and particulate matter globe insert
Patent number:
D389181
Type:
Grant
Filed:
June 6, 1996
Date of Patent:
January 13, 1998
Assignees:
Printlink Publishers, Inc., Twelfth House Productions, Inc.
Inventors:
Leonard M. Fernandes, Pen Cheong Loo
Front face of a panel on an educational console
Patent number:
D392322
Type:
Grant
Filed:
September 27, 1995
Date of Patent:
March 17, 1998
Assignee:
Automation R.P. Inc.
Inventor:
Maurice Pouliot
Arithmetic instructional apparatus
Patent number:
D392674
Type:
Grant
Filed:
April 21, 1997
Date of Patent:
March 24, 1998
Inventor:
Irma Maritza Perez
Arithmetic instuctional apparatus
Patent number:
D392675
Type:
Grant
Filed:
April 21, 1997
Date of Patent:
March 24, 1998
Inventor:
Irma Maritza Perez
Mat for the early learning of babies
Patent number:
D393877
Type:
Grant
Filed:
November 2, 1995
Date of Patent:
April 28, 1998
Assignee:
Allegre Puericulture Hygiene S.A.
Inventor:
Jean-Paul Allegre
Arithmetic instructional apparatus
Patent number:
D394878
Type:
Grant
Filed:
April 21, 1997
Date of Patent:
June 2, 1998
Inventor:
Irma Maritza Perez
Arithmetic instructional apparatus
Patent number:
D395675
Type:
Grant
Filed:
April 21, 1997
Date of Patent:
June 30, 1998
Inventor:
Irma Maritza Perez
Teaching tool
Patent number:
D398645
Type:
Grant
Filed:
January 16, 1998
Date of Patent:
September 22, 1998
Inventor:
Chin-Chen Tsao
Teaching aid for ultrasound wave theory
Patent number:
D403018
Type:
Grant
Filed:
October 1, 1996
Date of Patent:
December 22, 1998
Assignee:
Joseph S. Powell
Inventor:
Joseph Scott Powell
Learning clock
Patent number:
D405470
Type:
Grant
Filed:
October 27, 1997
Date of Patent:
February 9, 1999
Inventor:
Peter A. Messina
Learning clock
Patent number:
D410684
Type:
Grant
Filed:
October 14, 1998
Date of Patent:
June 8, 1999
Inventor:
Peter A. Messina
Rotary toy for making variable three-dimensional images
Patent number:
D412539
Type:
Grant
Filed:
September 10, 1998
Date of Patent:
August 3, 1999
Inventor:
Kathrine K. Corliss
Key holder
Patent number:
D413472
Type:
Grant
Filed:
March 20, 1998
Date of Patent:
September 7, 1999
Inventor:
Gideon Dagan
Teaching timepiece
Patent number:
D419600
Type:
Grant
Filed:
May 18, 1999
Date of Patent:
January 25, 2000
Inventor:
Amanda Marasca
Combined hands and dial for an educational clock
Patent number:
D420388
Type:
Grant
Filed:
February 11, 1997
Date of Patent:
February 8, 2000
Inventor:
Gloria Gremillion
Learning dial for a clock
Patent number:
D422635
Type:
Grant
Filed:
July 8, 1999
Date of Patent:
April 11, 2000
Inventor:
Lex L. Clark
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