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Leonard F. Gropper, III

East Quogue, NY: #1 of 3 inventorsTop 35%

New York: #1,999 of 7,187 inventorsTop 30%

Overall (1997): #114,119 of 185,788Top 65%

1 Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5622202	Tamper proof fire hydrant	Mitchell K. Etter	1997-04-22