Assignee
DIGITAL RECORDERS INC
8 granted patents·2 pending applications·264 citations·filing 1985–2006
Top patents by PatentIndex Score
10 records- 0192US4963866AMulti channel digital random access recorder-playerDIGITAL RECORDERS INC·Filed 1989·Granted Oct 16, 1990·144 cites·17 claims
- 0286US7287878B2LED sign cover and method of manufactureDIGITAL RECORDERS INC·Filed 2004·Granted Oct 30, 2007·26 cites·13 claims
- 0378US4772873ADigital electronic recorder/playerDIGITAL RECORDERS INC·Filed 1985·Granted Sep 20, 1988·45 cites·6 claims
- 0475USD340681SSolar powered broadcast trailerDIGITAL RECORDERS INC·Filed 1992·Granted Oct 26, 1993·24 cites·1 claims
- 0570US7756132B2Rapid messaging protocol wireless network data communication systemDIGITAL RECORDERS INC·Filed 2006·Granted Jul 13, 2010·11 cites·29 claims
- 0663US6851964B2Retainer clip for ribbon cable connectorsDIGITAL RECORDERS INC·Filed 2004·Granted Feb 8, 2005·10 cites·26 claims
- 0751US7068795B2Public address system and method for an urban transit vehicleDIGITAL RECORDERS INC·Filed 2003·Granted Jun 27, 2006·3 cites·1 claims
- 0845US2007115109A1Security system and method for mass transit vehiclesDIGITAL RECORDERS INC·Filed 2006·Application pending·0 cites
- 0941US2005170680A1Retainer clip for ribbon cable connectorsDIGITAL RECORDERS INC·Filed 2004·Application pending·0 cites
- 1031USD429719SUrban transit vehicle microphone housingDIGITAL RECORDERS INC·Filed 1999·Granted Aug 22, 2000·1 cites·1 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →