David G. Heyne

📍 San Diego, CA: #15,630 of 23,606 inventorsTop 70%

🗺 California: #247,236 of 386,348 inventorsTop 65%

Overall (All Time): #3,535,333 of 4,157,543Top 90%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6343885	Writing instrument with hand grip	—	2002-02-05