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PREMIER CRYSTAL LAB Inc

PREMIER CR

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2529443A	Multiband superheterodyne radio receiver having a push-butt…	Expired / Lapsed	1945-10-22	1950-11-07	0	Details
US2496975A	Temperature responsive piezo-electric crystal oscillator	Expired / Lapsed	1945-04-17	1950-02-07	0	Details
US2329321A	Piezoelectric device	Expired / Lapsed	1942-09-17	1943-09-14	0	Details
US2039267A	Electrical meter	Expired / Lapsed	1934-03-13	1936-04-28	0	Details
US1971310A	Measuring reactance	Expired / Lapsed	1933-05-25	1934-08-21	0	Details