Patents by Inventor David W. Tisdale

David W. 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: D403208
    Type: Grant
    Filed: January 30, 1998
    Date of Patent: December 29, 1998
    Assignee: M. Kamenstein, Inc.
    Inventor: David W. Tisdale
  • Patent number: D404259
    Type: Grant
    Filed: January 30, 1998
    Date of Patent: January 19, 1999
    Assignee: M. Kamenstein, Inc.
    Inventor: David W. Tisdale
  • Patent number: D405320
    Type: Grant
    Filed: March 20, 1998
    Date of Patent: February 9, 1999
    Assignee: M. Kamenstein, Inc.
    Inventor: David W. Tisdale
  • Patent number: D405324
    Type: Grant
    Filed: April 2, 1998
    Date of Patent: February 9, 1999
    Assignee: M. Kamenstein, Inc.
    Inventor: David W. Tisdale
  • Patent number: D406015
    Type: Grant
    Filed: April 2, 1998
    Date of Patent: February 23, 1999
    Assignee: M. Kamenstein, Inc.
    Inventor: David W. Tisdale
  • Patent number: D406214
    Type: Grant
    Filed: February 13, 1998
    Date of Patent: March 2, 1999
    Assignee: M. Kamenstein, Inc.
    Inventor: David W. Tisdale
  • Patent number: D406988
    Type: Grant
    Filed: April 2, 1998
    Date of Patent: March 23, 1999
    Assignee: M. Kamenstein, Inc.
    Inventor: David W. Tisdale
  • Patent number: D407279
    Type: Grant
    Filed: January 30, 1998
    Date of Patent: March 30, 1999
    Assignee: M. Kamenstein, Inc.
    Inventor: David W. Tisdale
  • Patent number: D408228
    Type: Grant
    Filed: May 15, 1998
    Date of Patent: April 20, 1999
    Assignee: M. Kamenstein, Inc.
    Inventor: David W. Tisdale
  • Patent number: D408691
    Type: Grant
    Filed: May 15, 1998
    Date of Patent: April 27, 1999
    Assignee: M. Kamenstein, Inc.
    Inventor: David W. Tisdale
  • Patent number: D408692
    Type: Grant
    Filed: June 2, 1998
    Date of Patent: April 27, 1999
    Assignee: M. Kamenstein, Inc.
    Inventor: David W. Tisdale
  • Patent number: D408694
    Type: Grant
    Filed: June 1, 1998
    Date of Patent: April 27, 1999
    Assignee: M. Kamenstein, Inc.
    Inventor: David W. Tisdale
  • Patent number: D415379
    Type: Grant
    Filed: March 12, 1998
    Date of Patent: October 19, 1999
    Assignee: M. Kamenstein, Inc.
    Inventor: David W. Tisdale
  • Patent number: D419013
    Type: Grant
    Filed: June 1, 1998
    Date of Patent: January 18, 2000
    Assignee: M. Kamenstein, Inc.
    Inventor: David W. Tisdale
  • Patent number: D419391
    Type: Grant
    Filed: June 2, 1998
    Date of Patent: January 25, 2000
    Assignee: M. Kamenstein, Inc.
    Inventor: David W. Tisdale