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STENOGRAPH CORP

Overview
  • Total Patents
    17
About

STENOGRAPH CORP has a total of 17 patent applications. Its first patent ever was published in 1976. It filed its patents most often in United States, Australia and Canada. Its main competitors in its focus markets textiles and paper, computer technology and audio-visual technology are PERTEC CORP, OKI YUNIBATSUKU KK and RIMAGE CORP.

Patent filings per year

Chart showing STENOGRAPH CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Michals Richard A 5
#2 Zum Bahlen Ralph E 4
#3 Chvojcsek Frank 4
#4 Mccready Keith A 3
#5 Mozer Frank H 3
#6 Mueller David J 2
#7 Flynn Denis B 2
#8 Edge Sam N 2
#9 Fowler Paul J 2
#10 Dussault Paul G 2

Latest patents

Publication Filing date Title
US6422771B1 Disposable ribbon cartridge for shorthand machine
US5466072A Method and apparatus for recording and translating shorthand notes
US5395178A Tripod for supporting a shorthand machine
AU3478593A Method and apparatus for recording and translating shorthand notes
US5249285A RAM lock device and method for a text entry system
EP0507743A2 Information storage and retrieval systems
US5163141A RAM lock device and method for a text entry system
US4421427A Shorthand machine having electric platen advancement
US4439798A Referencing device for digital data recorders
US4363557A Marking device for shorthand machine
US4363558A Shorthand machine having electric platen advancement
US4323316A Shorthand machine paper gauge
US4205351A Digital data recorder