WG

William Grimsley

HC Herzog Contracting: 1 patents #13 of 25Top 55%
📍 Covina, CA: #137 of 287 inventorsTop 50%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,787,838 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5275506 Perforated drainpipe for railway decks — 1994-01-04