Inventor · disambiguated record
John Grandy
Also filed as: GRANDY JOHN
3 granted patents·108 citations·filing 1987–1989
74Inventor score
Top patents by PatentIndex Score
3 records- 0185US4909892AApparatus for welding thermoplastic frame membersSAMPSON MACHINE COMPANY·Filed 1988·Granted Mar 20, 1990·57 cites·11 claims
- 0276US4971639AMethod and apparatus for joining polymeric substrates such as vinyl framesSAMPSON MACHINE COMPANY·Filed 1989·Granted Nov 20, 1990·42 cites·15 claims
- 0331US4828239AFrame piece joining apparatus and jig thereforGRANDY JOHN·Filed 1987·Granted May 9, 1989·9 cites·28 claims
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