Robert L. Protheroe — 24 Patents at Ncr

Robert L. Protheroe has been granted 24 US patents while listed as an inventor at Ncr. The first was granted in 1987 and the most recent in March 2010. Robert L. Protheroe ranks #168,038 of 4,157,543 US inventors in our database (top 4.0%). Patent records list Robert L. Protheroe in Cambridge, OH, US.

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7672900	Write input transaction apparatus and method	David M. J. Allgeier, Floyd Jones, John Crooks	2010-03-02	$20,926,000
7436957	Audio cassette emulator with cryptographic media distribution control	Addison M. Fischer	2008-10-14
6539363	Write input credit transaction apparatus and method with paperless merchant credit card processing	David M. J. Allgeier, Floyd Jones, John Crooks	2003-03-25	$3,835,000
5949348	Method and apparatus for variable keyboard display	Michael A. Kapp, Floyd Jones, Tom Donnelly, David Ellis, David M. J. Allgeier	1999-09-07	$8,762,000
5587560	Portable handwritten data capture device and method of using	John Crooks	1996-12-24
5563381	Handwriting capture system with segmented digitizer	John Crooks	1996-10-08
5539159	Handwriting capture device	David C. Wills, Scott M. Klement	1996-07-23
5414441	Temperature compensation apparatus for liquid crystal display	Kazem Memarzadeh, John Crooks	1995-05-09
5412161	Handwriting capture system with segmented digitizer	John Crooks	1995-05-02
5380958	Handwriting capture device	David C. Wills, Scott M. Klement	1995-01-10
5335230	Apparatus and method for automatic digitizer fault detection	John Crooks	1994-08-02
5322978	Handwriting capture device with integral forms printer	Scott M. Klement	1994-06-21
5297202	Apparatus and method for producing a digitized transaction record including an encrypted signature	Michael A. Kapp, Albert Onega	1994-03-22
5285506	Method of recording a handwritten message	John Crooks	1994-02-08
5245139	Apparatus and method for digitizer sampled point validation	Wayne A. Martin, Joseph E. Brehm	1993-09-14
5227590	Handwriting capture device	David C. Wills, Scott M. Klement	1993-07-13
5225636	Apparatus and method for digitizer point sampling and validation	—	1993-07-06
5216595	System and method for integration of lottery terminals into point of sale systems	—	1993-06-01
5195133	Apparatus and method for producing a digitized transaction record including an encrypted signature	Michael A. Kapp, Albert Onega	1993-03-16
5191175	Self-tuning digitizer control circuit and method	Kazem Memarzadeh, John Crooks	1993-03-02
5140107	Digitizer screen and method of making	John Crooks, Kazem Memarzadeh	1992-08-18
5120906	Handwriting capture device	David C. Wills, Scott M. Klement	1992-06-09
5115107	Method of correcting skew between a digitizer and a digital display	John Crooks	1992-05-19
4682150	Data compression method and apparatus	Gene R. Mathes	1987-07-21	$13,827,000

Robert L. Protheroe — 24 Patents

Issued Patents All Time

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