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Patents

Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US4006897Feb 28, 1975Feb 8, 1977Cremeal S.A.Simulated tennis game
US4125321Dec 6, 1976Nov 14, 1978Apparatus for projecting light images
US4135303Jul 18, 1977Jan 23, 1979Jouets Educatifs UniverselsToy such as a board
US4343091Mar 19, 1981Aug 10, 1982Three-dimensional drawing tool
US4451985Nov 20, 1981Jun 5, 1984Drawing apparatus
US4541180Oct 26, 1983Sep 17, 1985Method for creating and viewing a composite three-dimensional design
US4669984Feb 7, 1986Jun 2, 1987California R & D CenterLight dot matrix game assembly
US4675476Oct 7, 1985Jun 23, 1987NEC CorporationMagnetophoresis type display and graphic input/output device using the same
US4801266Jan 25, 1988Jan 31, 1989Irridescent drawing or sketching device
US4856197May 13, 1988Aug 15, 1989Buddy L CorporationDrawing device having retractable stylus
US4995610May 16, 1989Feb 26, 1991Electric boxing game
US5038482Oct 11, 1989Aug 13, 1991Three-dimensional drawing device
US5212874Mar 12, 1991May 25, 1993Three-dimensional drawing device
US5333387Jul 21, 1993Aug 2, 1994The Ohio Art CompanyColor drawing toy
US5867914Feb 9, 1996Feb 9, 1999The Ohio Art CompanyDrawing device with multimedia enhancement

Drawings