Assignee
PIGNONS SA
4 granted patents·3 citations·filing 1974–1979
Top patents by PatentIndex Score
4 records- 0138US4146318AAutomatic diaphragm controlPIGNONS SA·Filed 1977·Granted Mar 27, 1979·2 cites·4 claims
- 0230US4295725APhotographic shutterPIGNONS SA·Filed 1979·Granted Oct 20, 1981·0 cites·4 claims
- 0325US3951537ASlide projector control devicePIGNONS SA·Filed 1974·Granted Apr 20, 1976·0 cites·4 claims
- 0424US4166696APhotometerPIGNONS SA·Filed 1977·Granted Sep 4, 1979·1 cites·3 claims
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