DS

David Sherwin

📍 Spokane, WA: #391 of 1,134 inventorsTop 35%
🗺 Washington: #35,300 of 76,902 inventorsTop 50%
Overall (All Time): #2,190,665 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6732756 Adapter for valve and manifold assembly Carl Brod 2004-05-11
5842362 Key management device, and methods of constructing and utilizing same Ernest DePonty 1998-12-01