Patents by Inventor Bruce W. Arrington

Bruce W. Arrington 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).

  • Locking arrangement
    Patent number: 4077241
    Abstract: A tamper-resistant locking arrangement is provided by positioning a pair of key-actuated cylinder locks in coaxial relationship within a housing. One of the locks is adapted to be selectively removed to provide access to a key-receiving end of the other lock spaced inwardly from the end of the housing.
    Type: Grant
    Filed: November 9, 1976
    Date of Patent: March 7, 1978
    Inventors: M. Roy Cohen, Bruce W. Arrington, William W. Pittendreigh