Inventor · disambiguated record
David M. Spirit
Also filed as: SPIRIT DAVID M · SPIRIT DAVID MICHAEL
7 granted patents·144 citations·filing 1990–1999
87Inventor score
Files withBRITISH TELECOMM7
Top patents by PatentIndex Score
7 records- 0182US5343286AOTDR having optically switched amplified output onto test fibre to suppress optical amplifier noise between OTDR plusesBRITISH TELECOMM·Filed 1991·Granted Aug 30, 1994·46 cites·26 claims
- 0267US5742415AOptical switching deviceBRITISH TELECOMM·Filed 1994·Granted Apr 21, 1998·31 cites·15 claims
- 0365US5298965AOTDR using distributed optical amplification in optical waveguide under testBRITISH TELECOMM·Filed 1990·Granted Mar 29, 1994·23 cites·22 claims
- 0460US5448059AOptical time domain relectometry with optical amplifier for extended range and/or sensitivityBRITISH TELECOMM·Filed 1990·Granted Sep 5, 1995·19 cites·39 claims
- 0549US5504617AOptical time domain reflectometryBRITISH TELECOMM·Filed 1994·Granted Apr 2, 1996·19 cites·15 claims
- 0639US6215570B1Optical switchBRITISH TELECOMM·Filed 1999·Granted Apr 10, 2001·5 cites·1 claims
- 0730US6091524AOptical switchBRITISH TELECOMM·Filed 1996·Granted Jul 18, 2000·1 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →