William Van De Nobelen

SI Smith International: 1 patents #390 of 708Top 60%

📍 Placentia, CA: #232 of 422 inventorsTop 55%

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

Overall (All Time): #3,996,888 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4593775	Two-piece pressure relief valve	John P. Chaney	1986-06-10