James B. Campbell

📍 Bothell, WA: #2 of 15 inventorsTop 15%

🗺 Washington: #103 of 744 inventorsTop 15%

Overall (1982): #56,756 of 81,411Top 70%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4334683	Disc game apparatus	—	1982-06-15