Patents by Inventor James K. Sims

James K. Sims 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: 5197407
    Abstract: A security device in the form of a combination door or window stop comprising a housing for containing a canister of gas under pressure, a valve mechanism for releasing the gas through a sound generator upon unauthorized movement of an associated door or window, and means for selectively clamping the housing on the rail of the door or window.
    Type: Grant
    Filed: April 10, 1992
    Date of Patent: March 30, 1993
    Assignee: Emma A. MacDowell
    Inventor: James K. Sims
  • Patent number: D343804
    Type: Grant
    Filed: December 17, 1992
    Date of Patent: February 1, 1994
    Assignee: Emma A. MacDowell
    Inventor: James K. Sims