RC

Roger Brentley Crawford

📍 Spokane, WA: #391 of 1,134 inventorsTop 35%
🗺 Washington: #35,300 of 76,902 inventorsTop 50%
Overall (All Time): #2,272,739 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D382853 Portable power source — 1997-08-26
4412659 Shredding mill Duane Sanders 1983-11-01