Assignee
HAMILTON TOOL CO
US·5 granted patents·93 citations·filing 1973–1989
Top patents by PatentIndex Score
5 records- 0172US3977621ADifferential driven rewinder-unwinderHAMILTON TOOL CO·Filed 1973·Granted Aug 31, 1976·18 cites·26 claims
- 0271US4991503AHigh pressure intaglio cantilever pressHAMILTON TOOL CO·Filed 1989·Granted Feb 12, 1991·19 cites·15 claims
- 0364US4848202ACut off or cross perforator or scoring cylinder with quick blade releaseHAMILTON TOOL CO·Filed 1987·Granted Jul 18, 1989·32 cites·10 claims
- 0447US4270743AForward numbering or underlap sheet deliveryHAMILTON TOOL CO·Filed 1978·Granted Jun 2, 1981·16 cites·14 claims
- 0532US4934838AFrame member for supporting multiple bearings with heat barrier slotHAMILTON TOOL CO·Filed 1989·Granted Jun 19, 1990·8 cites·11 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →