David Scott Johnson

US United States Surgical: 1 patents #60 of 118Top 55%

📍 San Francisco, CA: #88 of 396 inventorsTop 25%

🗺 California: #3,049 of 13,957 inventorsTop 25%

Overall (1994): #145,391 of 165,921Top 90%

Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5300084	Pneumoperitoneum needle	—	1994-04-05