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Magna Donnelly Corp

Magna Donn

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US5786772A	Vehicle blind spot detection display system	Expired / Lapsed	1997-02-12	1998-07-28	19	Details
US3803592A	Keyboard and digital circuit therefor	Expired / Lapsed	1972-09-11	1974-04-09	35	Details
US3777082A	Keyboard switch assembly with improved movable contact havi…	Expired / Lapsed	1972-09-08	1973-12-04	19	Details
US3742157A	Keyboard switch assembly with improved movable contact	Expired / Lapsed	1971-04-16	1973-06-26	89	Details
US3065663A	Fringe comparator	Expired / Lapsed	1957-07-22	1962-11-27	0	Details