Patents by Inventor Douglas C. Bushman

Douglas C. Bushman 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).

  • Arrangement of components in a laptop computer system
    Patent number: 4903222
    Abstract: A portable computer system with the full functionality of a desktop computer is designed so that components are arranged in a highly space efficient manner. The main system unit includes a removable keyboard, a fold-up display screen, floppy and fixed disk drives, and an internal modem, and has both external AC and internal battery power supplies. The system further includes a desktop expansion base into which the main system unit can be inserted, providing additional functionality for the main system unit. The components of the system are arranged to provide a convenient and efficient user interface.
    Type: Grant
    Filed: October 14, 1988
    Date of Patent: February 20, 1990
    Assignee: Compag Computer Corporation
    Inventors: R. Richard Carter, Thomas Mitchell, Douglas C. Bushman
  • Low-profile computer keyboard
    Patent number: D312623
    Type: Grant
    Filed: October 14, 1988
    Date of Patent: December 4, 1990
    Assignee: Compaq Computer Corporation
    Inventors: R. R. Carter, Thomas Mitchell, Douglas C. Bushman
  • Portable computer docking station
    Patent number: D320196
    Type: Grant
    Filed: October 17, 1988
    Date of Patent: September 24, 1991
    Assignee: Compaq Computer Corporation
    Inventors: R. Richard Carter, Thomas Mitchell, Douglas C. Bushman
  • Battery charger
    Patent number: D324369
    Type: Grant
    Filed: October 31, 1989
    Date of Patent: March 3, 1992
    Assignee: Compaq Computer Corporation
    Inventors: Douglas C. Bushman, Jeffrey C. Barrus
  • Page printer
    Patent number: D324697
    Type: Grant
    Filed: February 10, 1988
    Date of Patent: March 17, 1992
    Assignee: Compaq Computer Corporation
    Inventor: Douglas C. Bushman