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Rollei Werke Franke und Heidecke GmbH and Co KG

Rollei Wer

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US4280762A	Camera having an independently focused retractable objectiv…	Expired / Lapsed	1979-12-05	1981-07-28	4	Details
US3003387A	Focusing screen for camera finders	Expired / Lapsed	1958-07-08	1961-10-10	0	Details
US2974573A	Supplementary optical system for photographic cameras	Expired / Lapsed	1957-05-08	1961-03-14	0	Details
US2148636A	Film feed mechanism for photographic roll film cameras	Expired / Lapsed	1938-02-12	1939-02-28	0	Details