Patents by Inventor Per Hogdahl

Per Hogdahl 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).

  • Modular computer system having an improved docking assembly
    Patent number: 5329427
    Abstract: An improved apparatus for coupling a tiltable computer display to a base unit for controlling the viewing angle of the display. The improved apparatus includes a mounting area formed integrally along one edge of the computer display, the mounting area including a first electrical connector coupled to the display and a plurality of support apertures. A support flange is pivotally mounted to the base unit with a plurality of brackets. The support flange includes a second electrical connector for interfacing with the first electrical connector for electrically connecting the display to the base unit. The support flange also includes a plurality of support posts for engaging the support apertures. The apparatus also includes a device coupled between the support flange and the plurality of brackets for controlling the angular relationship if the support flange with respect to the base unit.
    Type: Grant
    Filed: March 1, 1993
    Date of Patent: July 12, 1994
    Assignee: Tusk, Incorporated
    Inventor: Per Hogdahl
  • Modular computer system having self contained workslate unit detachably coupled to base unit including keyboard
    Patent number: 5264992
    Abstract: A computer base unit has a keyboard and computer peripherals. A removable workslate, capable of stand-along operation and containing a digitizer display, computer and rechargeable power supply attaches to the base unit through an interlocking connector that holds the workslate in a tilted position and connects the base unit and its peripherals to the workslate computer. The base unit and workslate comprise housings are constructed of a composite comprising layers of woven, resin impregnated fibers and a layer of electromagnetic shielding.
    Type: Grant
    Filed: February 11, 1993
    Date of Patent: November 23, 1993
    Assignee: Tusk, Incorporated
    Inventors: Per Hogdahl, William Hart, Charles Krallman, Kenneth Shaw
  • Portable computer
    Patent number: D337102
    Type: Grant
    Filed: July 17, 1991
    Date of Patent: July 6, 1993
    Assignee: Tusk, Incorporated
    Inventors: Thomas G. Spayde, Per Hogdahl
  • Portable computer
    Patent number: D337314
    Type: Grant
    Filed: July 2, 1991
    Date of Patent: July 13, 1993
    Assignee: TUSK, Incorporated
    Inventors: Thomas G. Spayde, Per Hogdahl
  • Workslate computer unit
    Patent number: D338656
    Type: Grant
    Filed: July 2, 1991
    Date of Patent: August 24, 1993
    Assignee: Tusk, Incorporated
    Inventors: Thomas G. Spayde, Per Hogdahl