DS

Don S. Slack

RI Rix Industries: 1 patents #2 of 4Top 50%
📍 Mill Valley, CA: #509 of 776 inventorsTop 70%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,992,181 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4576381 Spiral piston ring with tapered ends and recesses — 1986-03-18