Inventor · disambiguated record
Terry C. Helstrom
Also filed as: HELSTROM TERRY C
4 granted patents·127 citations·filing 2002–2004
80Inventor score
Top patents by PatentIndex Score
4 records- 0180US7260356B2Method and apparatus for wirelessly coupling a source signal to a radio frequency receiverXM SATELLITE RADIO INC·Filed 2004·Granted Aug 21, 2007·25 cites·18 claims
- 0278US6661386B1Through glass RF coupler systemXM SATELLITE RADIO·Filed 2002·Granted Dec 9, 2003·40 cites·26 claims
- 0376US6621458B1Combination linearly polarized and quadrifilar antenna sharing a common ground planeXM SATELLITE RADIO INC·Filed 2002·Granted Sep 16, 2003·30 cites·22 claims
- 0474US6806838B2Combination satellite and terrestrial antennaDELPHI D ANTENNA SYSTEMS·Filed 2002·Granted Oct 19, 2004·32 cites·44 claims
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