MH

M. Barrie Hartley

📍 Carpinteria, CA: #70 of 130 inventorsTop 55%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #4,038,112 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4461230 Boat mast muffler David L. Hale, Vincent Sefcik 1984-07-24