RW

Raymond L. Weholt

📍 Seattle, WA: #8,251 of 21,776 inventorsTop 40%
🗺 Washington: #27,877 of 76,902 inventorsTop 40%
Overall (All Time): #1,597,367 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6854537 Portable placer exploration and sampling apparatus — 2005-02-15
5470178 Insulating tunnel liner system — 1995-11-28
4940360 Insulated tunnel liner and rehabilitation system — 1990-07-10