RB

Richard F. Barrows

SE Seh-America: 1 patents #69 of 140Top 50%
📍 Vancouver, WA: #1,061 of 1,812 inventorsTop 60%
🗺 Washington: #48,111 of 76,902 inventorsTop 65%
Overall (All Time): #3,434,300 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7137405 Low pressure check valve Mike Hamilton 2006-11-21