Patents by Inventor Arthur A. Hagstrom

Arthur A. Hagstrom has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Desk top keyboard display terminal with an articulated keyboard
    Patent number: 4496200
    Abstract: A desk top keyboard display terminal includes a keyboard which may be latched to the front of the terminal or articulated over the edge of a desk to a level convenient for a typist.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: January 29, 1985
    Assignee: Teletype Corporation
    Inventors: Arthur A. Hagstrom, Carl D. Swanson
  • Holder for a decorative trim strip
    Patent number: 4274237
    Abstract: A trim strip holder 10 includes a channel 18 defined by parallel opposed first and second ledges 28, 30 and includes elongated first and second recesses 24, 26 located adjacent to and coextensive with the ledges 28, 30. A raised ridge 22 extends the length of the channel 18 and is disposed between the recesses 24, 26. A surface of the first ledge defines a notch 36 coextensive with the ledge 28. A surface 40 of the notch 36 is spaced from and parallel to a wall 42 of the second recess 26. A flat elongated trim strip 20 is positioned to seat within the notch 36 and the second recess 26 and is held in place by the ridge 22.
    Type: Grant
    Filed: August 3, 1979
    Date of Patent: June 23, 1981
    Assignee: Teletype Corporation
    Inventor: Arthur A. Hagstrom
  • Teleprinter console
    Patent number: D247643
    Type: Grant
    Filed: November 10, 1975
    Date of Patent: March 28, 1978
    Assignee: Teletype Corporation
    Inventors: Leonard R. Aremka, Donald M. Genaro, Arthur A. Hagstrom, Barry L. Shevick
  • Equipment end panel
    Patent number: D253211
    Type: Grant
    Filed: November 4, 1977
    Date of Patent: October 23, 1979
    Assignee: Teletype Corporation
    Inventors: Donald M. Genaro, Arthur A. Hagstrom