Inventor · disambiguated record
Robert T. Fergusson
Also filed as: FERGUSSON ROBERT T · FERGUSSON ROBERT THOMAS
4 granted patents·90 citations·filing 1975–2005
78Inventor score
Top patents by PatentIndex Score
4 records- 0182US4004904AElectronic system for article identificationINDEX INC·Filed 1975·Granted Jan 25, 1977·41 cites·23 claims
- 0281US7187282B2Digital capacitive sensing device for security and safety applicationsINVISA INC·Filed 2005·Granted Mar 6, 2007·24 cites·37 claims
- 0361US7167093B2Method of steering capacitor fields for use in capacitive sensing security systemsINVISA INC·Filed 2003·Granted Jan 23, 2007·23 cites·17 claims
- 0437US7023222B2Apparatus and method for processing capacitor sensor signals using digital frequency shift measurement techniques with floating referenceINVISA INC·Filed 2003·Granted Apr 4, 2006·2 cites·20 claims
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