Patents by Inventor Michael Robert C. Sowash

Michael Robert C. Sowash 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).

  • Door stop
    Patent number: 6003911
    Abstract: The door stop comprises a stop block. One of the surfaces of the stop block has an angular recess therein with angular faces positioned at an acute angle with respect to the stop block surfaces. The stop block is configured to insert into the jamb when the door is opened and the angular faces engaged over the top corner of the hinge edge stile of the door to hold the door open. A handle is attached to the stop block so that it may be easily inserted and removed.
    Type: Grant
    Filed: May 31, 1996
    Date of Patent: December 21, 1999
    Inventor: Michael Robert C. Sowash