Inventor · disambiguated record
James F. Collum
Also filed as: COLLUM JAMES F
2 granted patents·37 citations·filing 2002–2007
60Inventor score
Top patents by PatentIndex Score
2 records- 0179US7203318B2Secure transmission system for a digital trunked radio systemM A COM PRIVATE RADIO SYSTEMS·Filed 2002·Granted Apr 10, 2007·35 cites·23 claims
- 0260US7697689B2Secure transmission system for a digital trunked radio systemPINE VALLEY INVESTMENTS INC·Filed 2007·Granted Apr 13, 2010·2 cites·8 claims
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