LR

Louis F. Ray

AD American Hoist And Derrick: 1 patents #3 of 14Top 25%
📍 Oakland, CA: #1,026 of 4,380 inventorsTop 25%
🗺 California: #93,399 of 386,348 inventorsTop 25%
Overall (All Time): #823,449 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
D919059 Plumbing fitting 2021-05-11
D780297 Plumbing fitting 2017-02-28
4568232 Barge mounted horizontal boom bulk unloader Richard J. Juelich 1986-02-04
4382418 Barge unloading terminal 1983-05-10
4353749 Process of producing a useful soil cement product from industrial chemical waste David G. Azar 1982-10-12
4220246 Sheave adjustable balance crane 1980-09-02