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A sculpture major, David graduated with honors from Pratt Institute, NYC.

Doing Business As

RandomTechnology Design
Since 1980 licensing, inventing, building and manufacturing in the
San Francisco
bay area.




USPTO
Rotatable Coaster
Design Patent: D658451
Decorative Reflective Spinning Device
Utility 7954264 & Design D74292
Solar powered novelty rotating display 
Design Patent: D658451


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