Patents by Inventor Robert Garold Capwell

Robert Garold Capwell 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).

  • Programmable electronic desk lock
    Patent number: 5820234
    Abstract: A desk locking mechanism operated by reversible D.C. electric motors and powered by dry cell batteries is controlled by a programmable microprocessor. A column of drawers are locked and unlocked simultaneously by a single, vertical axis motor having a threaded drive shaft to reciprocate a vertically guided locking bar. The microprocessor provides primary and secondary programmable operating codes in a multiplicity of digits with program states signified by distinctive LED flashing sequences.
    Type: Grant
    Filed: February 7, 1995
    Date of Patent: October 13, 1998
    Assignee: Hurd Corporation
    Inventors: Robert Garold Capwell, Richard D. Webb