David W. Shaffer

📍 San Marcos, CA: #602 of 897 inventorsTop 70%

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

Overall (All Time): #4,077,530 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4355560	Reed construction	—	1982-10-26