Inventor · disambiguated record
Steven K. Harbaugh
Also filed as: HARBAUGH STEVEN K
16 granted patents·1,238 citations·filing 1976–1996
96Inventor score
Top patents by PatentIndex Score
16 records- 0196US5417316ACapacitive verification device for a security thread embedded within currency paperAUTHENTICATION TECH INC·Filed 1993·Granted May 23, 1995·142 cites·44 claims
- 0295US5308992ACurrency paper and banknote verification deviceCRANE TIMOTHY T·Filed 1991·Granted May 3, 1994·244 cites·21 claims
- 0391US5434427ACurrency verification deviceFiled 1993·Granted Jul 18, 1995·144 cites·6 claims
- 0490US5394969ACapacitance-based verification device for a security thread embedded within currency paperAUTHENTICATION TECH INC·Filed 1993·Granted Mar 7, 1995·160 cites·10 claims
- 0589US5419424ACurrency paper security thread verification deviceAUTHENTICATION TECH INC·Filed 1994·Granted May 30, 1995·137 cites·14 claims
- 0689US5279403AMicrowave security thread detectorCRANE & COMPANY INC·Filed 1992·Granted Jan 18, 1994·157 cites·20 claims
- 0778US5753814AMagnetically-oscillated probe microscope for operation in liquidsMOLECULAR IMAGING CORP·Filed 1996·Granted May 19, 1998·61 cites·18 claims
- 0878US4233636AOptical read-write system with electronically variable image sizeEOCOM CORP·Filed 1978·Granted Nov 11, 1980·28 cites·13 claims
- 0974US4081842AFacsimile systemEOCOM CORP·Filed 1976·Granted Mar 28, 1978·21 cites·23 claims
- 1069US4312590AOptical scanner and system for laser beam exposure of photo surfacesEOCOM CORP·Filed 1978·Granted Jan 26, 1982·22 cites·29 claims
- 1167US5535871ADetector for a security thread having at least two security detection featuresAUTHENTICATION TECH INC·Filed 1995·Granted Jul 16, 1996·35 cites·18 claims
- 1264US5765434ACapacitive water height gauge and methodSCEPTER SCIENT INC·Filed 1996·Granted Jun 16, 1998·30 cites·13 claims
- 1362US4857747AMethod and apparatus for analyzing the formation of a web of material via generating a formation indexALBANY INT CORP·Filed 1988·Granted Aug 15, 1989·21 cites·9 claims
- 1451US5810146AWide edge lead currency thread detection systemAUTHENTICATION TECH INC·Filed 1996·Granted Sep 22, 1998·15 cites·9 claims
- 1550US4131029AGimballed coupling for lead screw and nut assemblyEOCOM CORP·Filed 1977·Granted Dec 26, 1978·10 cites·6 claims
- 1649US4402482APrecision traveling optical table assemblyHOECHST CO AMERICAN·Filed 1980·Granted Sep 6, 1983·11 cites·11 claims
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