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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 #	Title	Co-Inventors	Date
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