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Bell Helicopter Textron Inc

Bell Helic
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3936605A Eyeglass mounted visual display Expired / Lapsed 1972-02-14 1976-02-03 29 Details
US3927307A Power available indicator Expired / Lapsed 1974-03-01 1975-12-16 11 Details