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|
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U.S. PATENT NO.
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TITLE
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| 3,932,876 |
SHORT END-FIRE CIRCULARLY POLARIZED ANTENNA
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| 3,940,772 |
CIRCULARLY-POLARIZED, BROADSIDE FIRING TETRAHELICAL ANTENNA
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| 4,011,567 |
CIRCULARLY-POLARIZED, BROADSIDE FIRING, MULTIHELICAL ANTENNA
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| 4,590,479 |
BROADCAST ANTENNA SYSTEM WITH HIGH POWER AURAL/VISUAL SELF-DIPLEXING CAPABILITY
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| 5,504,495 |
FIELD CONVERTIBLE NTSC/HDTV BROADCAST ANTENNAS
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