Patents by Inventor David K. Crabbe

David K. Crabbe 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).

  • Wrist support for use with an office machine having a keyboard
    Patent number: 4545554
    Abstract: This invention relates to office machines and accessories therefor, and more particularly to a wrist support for use with office machines having a keyboard such as a computer terminal keyboard. The wrist support described and claimed herein is a device which is designed to fit horizontally against the front of the keyboard thus providing means of support for the operators arms.
    Type: Grant
    Filed: August 31, 1981
    Date of Patent: October 8, 1985
    Inventors: Richard M. Latino, David K. Crabbe
  • Adjustable support surface for holding reference or printout material
    Patent number: D271501
    Type: Grant
    Filed: August 31, 1981
    Date of Patent: November 22, 1983
    Assignee: Wright Line Inc.
    Inventors: John B. Manning, David K. Crabbe
  • Scale display
    Patent number: D419087
    Type: Grant
    Filed: December 31, 1998
    Date of Patent: January 18, 2000
    Assignee: Fairbanks Scales
    Inventors: Gregory J. Arnold, Michael P. Conner, James S. Havers, Ben H. Graves, David K. Crabbe, David C. Elms, Bonnie L. Crabbe
  • Scale platform
    Patent number: D419473
    Type: Grant
    Filed: December 31, 1998
    Date of Patent: January 25, 2000
    Assignee: Fairbanks Scales
    Inventors: Gregory J. Arnold, Michael P. Conner, James S. Havers, Ben H. Graves, David K. Crabbe, David C. Elms, Bonnie L. Crabbe
  • Scale
    Patent number: D419896
    Type: Grant
    Filed: December 31, 1998
    Date of Patent: February 1, 2000
    Assignee: Fairbanks Scales
    Inventors: Gregory J. Arnold, Michael P. Conner, James S. Havers, Ben H. Graves, David K. Crabbe, David C. Elms, Bonnie L. Crabbe
  • Scale tower
    Patent number: D426480
    Type: Grant
    Filed: December 31, 1998
    Date of Patent: June 13, 2000
    Assignee: Fairbanks Scales
    Inventors: Gregory J. Arnold, Michael P. Conner, James S. Havers, Ben H. Graves, David K. Crabbe, David C. Elms, Bonnie L. Crabbe