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Browse, filter, and analyze 6 patents across global jurisdictions.

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Patent Number Title Assignee Status Filing Date Grant Date Expires Remaining Claims Actions
US3435422A Self-organizing system Bell Aerospace Corp Expired / Lapsed 1966-06-27 1969-03-25 1986-06-27 0.0 yrs 0
US3355733A Designated area instrument landing system Bell Aerospace Corp Expired / Lapsed 1964-10-19 1967-11-28 1984-10-19 0.0 yrs 2
US3279086A Compensated gyroscopic directional reference Bell Aerospace Corp Expired / Lapsed 1963-08-29 1966-10-18 1983-08-29 0.0 yrs 2
US3242736A Altimeter system Bell Aerospace Corp Expired / Lapsed 1963-10-01 1966-03-29 1983-10-01 0.0 yrs 2
US3130401A Navigation system Bell Aerospace Corp Expired / Lapsed 1960-10-07 1964-04-21 1980-10-07 0.0 yrs 2
US2964444A Method of making a laminated metal airscrew blade Bell Aerospace Corp Expired / Lapsed 1957-02-19 1960-12-13 1977-02-19 0.0 yrs 2