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Patent applications and USPTO patent grants for Hanak; Joseph John.The latest application filed is for "liquid crystal devices having diode characteristics".
Patent | Date |
---|---|
Liquid crystal devices having diode characteristics Grant 4,042,293 - Hanak , et al. August 16, 1 | 1977-08-16 |
Electroluminescent device comprising electroluminescent layer containing indium oxide and/or tin oxide Grant 4,027,192 - Hanak May 31, 1 | 1977-05-31 |
Electroluminescent cell with a current-limiting layer of high resistivity Grant 3,919,589 - Hanak November 11, 1 | 1975-11-11 |
Energizing technique for electroluminescent devices Grant 3,889,151 - Hanak , et al. June 10, 1 | 1975-06-10 |
Magnetic Head Method Grant 3,634,933 - Hanak January 18, 1 | 1972-01-18 |
Magnetic Heads With Poles Joined By Molecular Transport Bonding Grant 3,629,519 - Hanak December 21, 1 | 1971-12-21 |
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