Walter G. Johnston

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Los Angeles, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Artist's hand and brush guide for adjustable traveling mahl
- Patent number 5,193,772
- Issue date Mar 16, 1993
- Walter G. Johnston
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Adjustable traveling mahl and magnetic support for mounting artist'...
- Patent number 4,717,109
- Issue date Jan 5, 1988
- Walter G. Johnston
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES