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Johnn P. Knapp

LSLear Siegler: 1 patents #30 of 111Top 30%

Portland, OR: #4,612 of 9,213 inventorsTop 55%

Oregon: #12,654 of 28,073 inventorsTop 50%

Overall (All Time): #2,326,715 of 4,157,543Top 60%

2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4966514	Container dumping mechanism	—	1990-10-30
4673327	Waste receptacle dumping apparatus	—	1987-06-16