NATIONAL COMPUTER SYSTEMS, INC.
Patent Owner
Stats
- 28 total patents issued
- 0 Total Apps Published
- Oct 01, 2002 most recent publication
Details
- 28 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 732 Total Citation Count
- Nov 14, 1975 Earliest Filing
- 24 Expired/Abandoned/Withdrawn Patents
Technologies
Intl Class
Technology
# of Patents
Rank
Top Patents (by citation)
Patent #
Title
Filing Date
Issue Date
Intl Class
Cited #
5,184,003 Scannable form having a control mark column with encoded data marksJan 24, 92Feb 02, 93[G09B, G06K]31
5,711,673 Method for interpreting a plurality of response marks on a scannable surfaceFeb 24, 95Jan 27, 98[G06K]24
6,459,509 Optical scanning device having a calibrated pixel output and a method for calibrating such a deviceJun 16, 00Oct 01, 02[H04N]13
Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
6,459,509 Optical scanning device having a calibrated pixel output and a method for calibrating such a deviceJun 16, 00Oct 01, 02[H04N]
5,711,673 Method for interpreting a plurality of response marks on a scannable surfaceFeb 24, 95Jan 27, 98[G06K]
5,184,003 Scannable form having a control mark column with encoded data marksJan 24, 92Feb 02, 93[G09B, G06K]
Top Inventors for This Owner
Inventor Name
Address
# of Patent/Pub