Assignee
LISTER WILLIAM
AU·4 granted patents·78 citations·filing 1976–1989
Technology mixE21B4
Top patents by PatentIndex Score
4 records- 0166US4084647APneumatic percussion hammerLISTER WILLIAM·Filed 1976·Granted Apr 18, 1978·32 cites·2 claims
- 0258US4151889ARock-drilling bit for percussion hammersLISTER WILLIAM·Filed 1977·Granted May 1, 1979·23 cites·5 claims
- 0345US5139096APneumatic percussion hammersLISTER WILLIAM·Filed 1989·Granted Aug 18, 1992·19 cites·3 claims
- 0427US4911250APneumatic percussion hammerLISTER WILLIAM·Filed 1987·Granted Mar 27, 1990·4 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →