Assignee
ROBERTS PETER M
US·4 granted patents·238 citations·filing 1981–1992
Top patents by PatentIndex Score
4 records- 0197US4420995AQuick-release and positive locking mechanism for use on socket wrenches and on power and impact toolsROBERTS PETER M·Filed 1981·Granted Dec 20, 1983·93 cites·13 claims
- 0287US4848196AQuick release and automatic positive locking mechanism for socket wrenches and extension bars for socket wrenchesROBERTS PETER M·Filed 1986·Granted Jul 18, 1989·54 cites·53 claims
- 0383US5233892AQuick release mechanism for tools such as socket wrenchesROBERTS PETER M·Filed 1992·Granted Aug 10, 1993·47 cites·10 claims
- 0482US5214986AQuick release mechanism for tools such as socket wrenchesROBERTS PETER M·Filed 1991·Granted Jun 1, 1993·44 cites·23 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →