Assignee
ROBERTS MARVIN E
4 granted patents·69 citations·filing 1976–1978
Top patents by PatentIndex Score
4 records- 0171US4195503ARotary disc-tumbler lock cylinderROBERTS MARVIN E·Filed 1978·Granted Apr 1, 1980·23 cites·33 claims
- 0270US4109495AKey and tumbler constructionROBERTS MARVIN E·Filed 1977·Granted Aug 29, 1978·19 cites·6 claims
- 0364US4111021AKey constructionROBERTS MARVIN E·Filed 1976·Granted Sep 5, 1978·18 cites·2 claims
- 0451US4109497AKey constructionROBERTS MARVIN E·Filed 1977·Granted Aug 29, 1978·9 cites·5 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →