HL

Hugh C. Leiper

📍 Enumclaw, WA: #61 of 111 inventorsTop 55%
🗺 Washington: #48,111 of 76,902 inventorsTop 65%
Overall (All Time): #4,115,004 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4210680 Apparatus and a process for treating waste Gaynor W. Dawson, Arthur T. Brix 1980-07-01