Assignee
PIERCE DANIEL H
US·3 granted patents·77 citations·filing 1988–1992
Top patents by PatentIndex Score
3 records- 0179US5143351ASelf-locking valve spring retainerPIERCE DANIEL H·Filed 1991·Granted Sep 1, 1992·37 cites·15 claims
- 0265US4879978APoppet valve spring retainerPIERCE DANIEL H·Filed 1988·Granted Nov 14, 1989·20 cites·21 claims
- 0359US5226229ASelf-locking valve spring retainerPIERCE DANIEL H·Filed 1992·Granted Jul 13, 1993·20 cites·9 claims
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