Inventor · disambiguated record
Landgrave T. Smith
Also filed as: SMITH LANDGRAVE T
9 granted patents·1 pending application·812 citations·filing 1996–2013
89Inventor score
Top patents by PatentIndex Score
10 records- 0197US5735285AMethod and hand-held apparatus for demodulating and viewing frequency modulated biomedical signalsDATA CRITICAL CORP·Filed 1996·Granted Apr 7, 1998·715 cites·14 claims
- 0289US8269625B2Signal processing system and methods for reliably detecting audible alarmsHOY LESLIES D·Filed 2010·Granted Sep 18, 2012·42 cites·20 claims
- 0387US8558708B2Supplemental alert generation device with speaker enclosure assemblyALBERT DAVID E·Filed 2010·Granted Oct 15, 2013·21 cites·44 claims
- 0485US8242899B2Supplemental alert generation device for retrofit applicationsALBERT DAVID E·Filed 2010·Granted Aug 14, 2012·19 cites·23 claims
- 0577US8525689B2Speaker enclosure design for efficiently generating an audible alert signalSMITH LANDGRAVE T·Filed 2010·Granted Sep 3, 2013·9 cites·46 claims
- 0673US8237577B2Supplemental alert generation deviceALBERT DAVID E·Filed 2010·Granted Aug 7, 2012·6 cites·25 claims
- 0753US8847779B2Speaker enclosure design for efficiently generating an audible alert signalINNOVALARM CORP·Filed 2013·Granted Sep 30, 2014·0 cites·29 claims
- 0852US9189929B2Supplemental alert generation deviceINNOVALARM CORP·Filed 2013·Granted Nov 17, 2015·0 cites·18 claims
- 0949US2013077797A1Signal processing system and methods for reliably detecting audible alarmsHOY LESLIE D·Filed 2012·Application pending·0 cites
- 1042US8749394B2System and method for efficiently generating audible alarmsLEWIS JAMES J·Filed 2010·Granted Jun 10, 2014·0 cites·35 claims
Join the waitlist — get patent alerts
Get an alert when Landgrave T. Smith files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →