Inventor
PROTHEROE ROBERT L
US24 patents
⚠️ This page may combine multiple inventors who share the name “PROTHEROE ROBERT L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NCR CO
15 patentsUS5216595AJun 1, 1993
System and method for integration of lottery terminals into point of sale systems
NCR CO220 citations99
US5297202AMar 22, 1994
Apparatus and method for producing a digitized transaction record including an encrypted signature
NCR CO185 citations96
US5195133AMar 16, 1993
Apparatus and method for producing a digitized transaction record including an encrypted signature
NCR CO188 citations96
US5120906AJun 9, 1992
Handwriting capture device
NCR CO57 citations95
US4682150AJul 21, 1987
Data compression method and apparatus
NCR CO95 citations95
US5335230AAug 2, 1994
Apparatus and method for automatic digitizer fault detection
NCR CO41 citations92
US5285506AFeb 8, 1994
Method of recording a handwritten message
NCR CO46 citations92
US5225636AJul 6, 1993
Apparatus and method for digitizer point sampling and validation
NCR CO25 citations92
US5191175AMar 2, 1993
Self-tuning digitizer control circuit and method
NCR CO38 citations92
US5115107AMay 19, 1992
Method of correcting skew between a digitizer and a digital display
NCR CO36 citations92
US5245139ASep 14, 1993
Apparatus and method for digitizer sampled point validation
NCR CO21 citations88
US5380958AJan 10, 1995
Handwriting capture device
NCR CO14 citations81
US5227590AJul 13, 1993
Handwriting capture device
NCR CO14 citations81
US5140107AAug 18, 1992
Digitizer screen and method of making
NCR CO10 citations73
US5322978AJun 21, 1994
Handwriting capture device with integral forms printer
NCR CO18 citations72
NCR CORP
6 patentsUS6539363B1Mar 25, 2003
Write input credit transaction apparatus and method with paperless merchant credit card processing
NCR CORP189 citations96
US5539159AJul 23, 1996
Handwriting capture device
NCR CORP46 citations95
US5949348ASep 7, 1999
Method and apparatus for variable keyboard display
NCR CORP137 citations94
US5563381AOct 8, 1996
Handwriting capture system with segmented digitizer
NCR CORP39 citations92
US5414441AMay 9, 1995
Temperature compensation apparatus for liquid crystal display
NCR CORP31 citations92
US7672900B2Mar 2, 2010
Write input transaction apparatus and method
NCR CORP2 citations60