Robert D. Bonser

📍 Los Angeles, CA: #49 of 252 inventorsTop 20%

🗺 California: #1,105 of 6,198 inventorsTop 20%

Overall (1982): #81,373 of 81,411Top 100%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D263245	Multiple level chess board	—	1982-03-02