Steven K. Harbaugh — 14 Patents at Authentication Technologies

Steven K. Harbaugh has been granted 14 US patents while listed as an inventor at Authentication Technologies. The first was granted in 1980 and the most recent in September 1998. Steven K. Harbaugh ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Steven K. Harbaugh in معلمی نژاد, CA, US.

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Showing 1–14 of 14 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5810146	Wide edge lead currency thread detection system	—	1998-09-22
5765434	Capacitive water height gauge and method	—	1998-06-16
5753814	Magnetically-oscillated probe microscope for operation in liquids	Wenhai Han, Stuart Lindsay, Tianwei Jing	1998-05-19
5535871	Detector for a security thread having at least two security detection features	—	1996-07-16
5434427	Currency verification device	Timothy T. Crane, Robert J. Danek, Richard A. Menelly	1995-07-18
5419424	Currency paper security thread verification device	—	1995-05-30
5417316	Capacitive verification device for a security thread embedded within currency paper	—	1995-05-23
5394969	Capacitance-based verification device for a security thread embedded within currency paper	—	1995-03-07
5308992	Currency paper and banknote verification device	Timothy T. Crane, Robert J. Danek, Richard A. Menelly	1994-05-03
5279403	Microwave security thread detector	Timothy T. Crane	1994-01-18	$4,835,000
4857747	Method and apparatus for analyzing the formation of a web of material via generating a formation index	Joseph A. Bolton	1989-08-15	$2,520,000
4402482	Precision traveling optical table assembly	Frank R. Mitchell	1983-09-06
4312590	Optical scanner and system for laser beam exposure of photo surfaces	—	1982-01-26
4233636	Optical read-write system with electronically variable image size	Gary Hoogerbrugge	1980-11-11

Steven K. Harbaugh — 14 Patents

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