Patents by Inventor Harry Detlefs

Harry Detlefs 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).

  • Lock strike plate assembly
    Patent number: 4186954
    Abstract: A lock strike plate assembly includes a lock bolt housing for insertion into a recess of a door jamb and a brace member extending from the back of the housing internally into the adjoining wall support, thereby giving horizontal and vertical support to the lock strike plate, the lock bolt housing and its related lock mechanism.
    Type: Grant
    Filed: September 14, 1977
    Date of Patent: February 5, 1980
    Inventor: Harry Detlefs