Patents by Inventor David Tisdale

David Tisdale 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).

  • Patent number: 5737803
    Abstract: An ergonomic handle for kitchen articles includes a hollow elongate body having a longitudinal axis, the body having a first end for providing attachment and connection of the kitchen articles into a hollow interior of the body, and which includes a second or free end. The elongate body of the kitchen handle includes a top face including a substantially oval recess proportioned for receipt of an engaging surface to the human thumb, the recess proximal to the first end of the body, the oval recess having a major axis co-linear with the longitudinal axis. The top face further includes an ellipsoidal aperture proximal to the second end of the body, the aperture having a major axis co-linear with the longitudinal axis of the body.
    Type: Grant
    Filed: September 25, 1996
    Date of Patent: April 14, 1998
    Assignee: Lechters, Inc.
    Inventor: David Tisdale
  • Patent number: D478477
    Type: Grant
    Filed: July 8, 2002
    Date of Patent: August 19, 2003
    Assignee: Columbia Insurance Company
    Inventors: David Tisdale, Sheila O'Connell Cooper, Susan Gustafson, Nancy Fino
  • Patent number: D481262
    Type: Grant
    Filed: July 8, 2002
    Date of Patent: October 28, 2003
    Assignee: Columbia Insurance Company
    Inventors: David Tisdale, Sheila O'Connell Cooper, Susan Gustafson, Nancy Fino
  • Patent number: D488352
    Type: Grant
    Filed: July 8, 2002
    Date of Patent: April 13, 2004
    Assignee: Columbia Insurance Company
    Inventors: David Tisdale, Sheila O'Connell Cooper, Susan Gustafson, Nancy Fino