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Optische Werke G Rodenstock

Optische W

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US4063807A	Perimetric eye testing device	Expired / Lapsed	1976-02-20	1977-12-20	10	Details
US3883233A	Automatic, recording refractometer	Expired / Lapsed	1973-12-21	1975-05-13	12	Details
US3822096A	Method and apparatus for the enlarged representation of the…	Expired / Lapsed	1972-08-01	1974-07-02	23	Details
US3429997A	Image flattening optical system for electronic image conver…	Expired / Lapsed	1965-08-18	1969-02-25	0	Details
FR1399499A	Lighting device for apparatus fitted with a slit lamp, in p…	Expired / Lapsed	1964-06-26	1965-05-14	0	Details