Robert R. Anderson

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Trabuco Canyon, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Activity toy and method of using to form artwork
- Patent number 5,427,528
- Issue date Jun 27, 1995
- Richard H. Anderson
- B44 - DECORATIVE ARTS
Information Patent Grant
Spherical construction toy and light apparatus
- Patent number 5,324,224
- Issue date Jun 28, 1994
- Richard H. Anderson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Three-dimensional drawing device
- Patent number 5,279,039
- Issue date Jan 18, 1994
- Richard H. Anderson
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Three-dimensional drawing device
- Patent number 5,212,874
- Issue date May 25, 1993
- Richard H. Anderson
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Spherical drawing template
- Patent number 5,148,601
- Issue date Sep 22, 1992
- Richard H. Anderson
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Three-dimensional drawing device
- Patent number 5,038,482
- Issue date Aug 13, 1991
- Richard H. Anderson
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES