Patents by Inventor C. Koepke

C. Koepke 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).

  • Occupant weight operated chair
    Patent number: 5486035
    Abstract: A chair having a reclinable back having a seat and back interconnected by a stiff resiliently flexible transition connection connecting the seat rear portion and the back lower portion, the seat forward portion and back portion being mounted upon a support whereby reclining of the back raises the seat rear portion producing an occupant weight operated reclinable chair having a substantially uniform back reclining force requirement throughout the reclining range of motion.
    Type: Grant
    Filed: August 1, 1994
    Date of Patent: January 23, 1996
    Inventors: Marcus C. Koepke, Earl H. Koepke
  • Reclining chair
    Patent number: 5314237
    Abstract: A reclining chair which includes a base, frame supports, and pivotable seat and back supports. The seat and back supports are pivotally connected for correlative movement, and the seat support is operably connected to an inclined ramp which raises the vertical height of the seat support during reclining.
    Type: Grant
    Filed: February 12, 1992
    Date of Patent: May 24, 1994
    Assignee: Kimball International Marketing, Inc.
    Inventors: Marcus C. Koepke, Earl H. Koepke
  • Reclining chair
    Patent number: 5308145
    Abstract: A reclining chair which includes a pivotal connection between the seat support, the arm support and the back support. The connection allows for the seat support to be raised during reclining operation to allow a user to maintain a consistent eye level at all times. The pivotal connection includes links which are pivotally connected at the sides of the chair to their corresponding supports and are actuated by the weight of the user.
    Type: Grant
    Filed: February 12, 1992
    Date of Patent: May 3, 1994
    Assignee: Kimball International Marketing, Inc.
    Inventors: Marcus C. Koepke, Earl H. Koepke
  • Cursor control for computer display
    Patent number: D300324
    Type: Grant
    Filed: October 30, 1985
    Date of Patent: March 21, 1989
    Assignee: Digital Equipment Corporation
    Inventors: Kenichi Akagi, Douglas Bushman, Diane G. Hodes, Marcus C. Koepke
  • Keyboard
    Patent number: D302684
    Type: Grant
    Filed: July 14, 1986
    Date of Patent: August 8, 1989
    Assignee: Digital Equipment Corporation
    Inventors: Kenichi Akagi, Marcus C. Koepke
  • Computer housing
    Patent number: D306284
    Type: Grant
    Filed: October 22, 1986
    Date of Patent: February 27, 1990
    Assignee: Digital Equipment Corporation
    Inventor: Marcus C. Koepke
  • Computer enclosure
    Patent number: D308670
    Type: Grant
    Filed: August 12, 1987
    Date of Patent: June 19, 1990
    Assignee: Digital Equipment Corporation
    Inventors: Robert L. Hanson, Marcus C. Koepke
  • Terminal server
    Patent number: D312074
    Type: Grant
    Filed: September 4, 1987
    Date of Patent: November 13, 1990
    Assignee: Digital Equipment Corporation
    Inventors: Marcus C. Koepke, Bernard J. Maurer, Robert L. Hanson
  • Terminal server
    Patent number: D312620
    Type: Grant
    Filed: September 4, 1987
    Date of Patent: December 4, 1990
    Assignee: Digital Equipment Corporation
    Inventors: Marcus C. Koepke, Bernard J. Maurer, Robert L. Hanson