Individual holder
FRIEDBERG MARTIN F
US·5 granted patents·84 citations·filing 1978–2016
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
5 records- 0181US4232429ASliding fastenerFRIEDBERG MARTIN F·Filed 1978·Granted Nov 11, 1980·36 cites·11 claims
- 0274US4232430ADevice for connecting the ends of a separable zipperFRIEDBERG MARTIN F·Filed 1979·Granted Nov 11, 1980·28 cites·51 claims
- 0366US4326319ASlide fastener with improved end connectionsFRIEDBERG MARTIN F·Filed 1979·Granted Apr 27, 1982·20 cites·10 claims
- 0453US12298535B2Sequin system and methodFRIEDBERG MARTIN F·Filed 2014·Granted May 13, 2025·0 cites·22 claims
- 0551US11041977B2Optical printing positional systemFRIEDBERG MARTIN F·Filed 2016·Granted Jun 22, 2021·0 cites·4 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →