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Patent applications and USPTO patent grants for Cech; Karl.The latest application filed is for "shock absorbing support for microphones".
Patent | Date |
---|---|
Shock absorbing support for microphones Grant 4,546,950 - Cech October 15, 1 | 1985-10-15 |
Headset construction Grant 4,138,598 - Cech February 6, 1 | 1979-02-06 |
Packing receptacle Grant 4,134,493 - Cech January 16, 1 | 1979-01-16 |
Headphone construction Grant 3,919,501 - Cech , et al. November 11, 1 | 1975-11-11 |
Earphone Grant 3,555,207 - Cech January 12, 1 | 1971-01-12 |
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