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NAT COMPUTER SYSTEMS INC

Overview
  • Total Patents
    88
About

NAT COMPUTER SYSTEMS INC has a total of 88 patent applications. Its first patent ever was published in 1972. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets computer technology, control and machines are WESTINGHOUSE LEARNING CORP, NAT COMP SYSTEMS INC and NINGHAI YANCANGSHAN ELECTRIC POWER CONSTRUCTION CO LTD.

Patent filings per year

Chart showing NAT COMPUTER SYSTEMS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Clark Jay V 32
#2 Mcmillin John V 23
#3 Moyer Judith 18
#4 Bramlett Jr William L 15
#5 Carsner George E 11
#6 Gysling Walter 9
#7 Koch Vernon F 8
#8 Bramlett William L 6
#9 Morrison Dennis P 5
#10 Thibado Michael J 5

Latest patents

Publication Filing date Title
US5531429A Variable printing and selective binding of booklets
CA2132151A1 Scanner cleaning sheet
GB9710880D0 Checking accuracy of a test marker
US5420407A Adjustable read level threshold for optical mark scanning
US5437554A System for providing performance feedback to test resolvers
US5433615A Categorized test item reporting system
US5321611A Multiple test scoring system
US5262624A Opposite surface scanning of a mark sense form
CA2074562A1 Opposite side scanning of a mark sense form
US5184003A Scannable form having a control mark column with encoded data marks
EP0481515A2 Illumination system for scanner
US5262943A System and process for information management and reporting
EP0463471A2 Image processing system for documentary data
US5195738A Single sheet picking and transport mechanism
AU6915391A Scannable form having a control mark column with encoded data marks
EP0405466A1 Single sheet picking and transport mechanism
US5103490A Method and apparatus for storing and merging multiple optically scanned images
US5086215A Method and apparatus for discriminating or locating bar codes for an optical mark reader
US4937439A Method and system for creating and scanning a customized survey form
US4934684A Sheet picking mechanism