Patents by Inventor W. Douglas Nobes

W. Douglas Nobes 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).

  • Demountable sash lock
    Patent number: 4167835
    Abstract: A window construction for pivot-out sash wherein a demountable sash guiding lock is mounted on the top rail of said sash. The lock includes a spring actuated plastic latch having either left or right hand openings for receiving a finger button which is demountable from said sash and a retaining clip for maintaining the spring for actuating the latch within the top rail of the sash.
    Type: Grant
    Filed: July 13, 1973
    Date of Patent: September 18, 1979
    Assignee: Caldwell Manufacturing Company
    Inventors: W. Douglas Nobes, Peter G. Matroniano