Patents by Inventor Bruce M. Upton

Bruce M. Upton 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).

  • Gun lock
    Patent number: 5551181
    Abstract: A gun lock 10 to surround the trigger and trigger guard of a gun 11. The lock 10 has a pair of shield halves 13 and 14 which prevent access to the trigger. The shield halves 13 and 14 are held together by means of a threaded shaft 15 and threaded passage 22 which co-operate, in addition to a shackle member 23 which also extends between the shield halves 13 and 14. A key operable lock barrel 19 is operable to retain the shackle member 23 attached to the shield halves 13 and 14 and is operable to release the shackle member 23.
    Type: Grant
    Filed: January 30, 1995
    Date of Patent: September 3, 1996
    Assignee: McDonald Upton Limited
    Inventor: Bruce M. Upton