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Alan R. Twigger

Portland, OR: #6,022 of 9,213 inventorsTop 70%

Oregon: #17,068 of 28,073 inventorsTop 65%

Overall (All Time): #4,035,802 of 4,157,543Top 100%

1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4453311	Scissors with thumb retainer	—	1984-06-12