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HALLICRAFTERS CO

HALLICRAFT

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US3369249A	Electrocardiograph	Expired / Lapsed	1965-08-31	1968-02-13	0	Details
US3215779A	Digital data conversion and transmission system	Expired / Lapsed	1961-02-24	1965-11-02	2	Details
US2842624A	Transistor amplifier circuit	Expired / Lapsed	1954-03-05	1958-07-08	0	Details
US2511409A	Superregenerative circuit	Expired / Lapsed	1947-10-22	1950-06-13	0	Details