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Patent applications and USPTO patent grants for Johns; McKinley R..The latest application filed is for "circularly polarized antenna system using a combination of horizontal and bent vertical dipole radiators".
Patent | Date |
---|---|
Circularly polarized antenna system using a combination of horizontal and bent vertical dipole radiators Grant 4,180,820 - Johns December 25, 1 | 1979-12-25 |
Circularly polarized antenna using slotted cylinder and conductive rods Grant 4,129,871 - Johns December 12, 1 | 1978-12-12 |
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