Inventor · disambiguated record

John R. Hardwick

Also filed as: HARDWICK JOHN R · MARTIN JAMES W

2 granted patents·10 citations·filing 1977–1978

54Inventor score

Technology areasE04D

Files withBUTLER MANUFACTURING CO1 BUTLER MFG1

Top patents by PatentIndex Score

2 records

0132US4102285AKnock-down starting platform for a roof seaming machineBUTLER MANUFACTURING CO·Filed 1977·Granted Jul 25, 1978·8 cites·7 claims
0227US4195586AKnock-down starting platform for a roof seaming machineBUTLER MFG·Filed 1978·Granted Apr 1, 1980·2 cites·10 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →