Inventor · disambiguated record
Hartwell Fong
Also filed as: FONG HARTWELL
4 granted patents·102 citations·filing 1993–1996
79Inventor score
Technology areasG08B
Files withDIGITAL SECURITY CONTROLS LTD4
Top patents by PatentIndex Score
4 records- 0167US5504473AMethod of analyzing signal qualityDIGITAL SECURITY CONTROLS LTD·Filed 1993·Granted Apr 2, 1996·42 cites·12 claims
- 0257US5917410AGlass break sensorDIGITAL SECURITY CONTROLS LTD·Filed 1996·Granted Jun 29, 1999·30 cites·15 claims
- 0347US5831528ADetection of glass breakageDIGITAL SECURITY CONTROLS LTD·Filed 1995·Granted Nov 3, 1998·17 cites·25 claims
- 0442US5675320AGlass break detectorDIGITAL SECURITY CONTROLS LTD·Filed 1995·Granted Oct 7, 1997·13 cites·15 claims
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