Patents by Inventor John R. Schallern

John R. Schallern 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).

  • Reenforcer for doors and windows
    Patent number: 5102173
    Abstract: A reenforcer (11) has a body (12) and an extension (13) which are disposed between and engage the sliding panel and the frame of typical sliding glass door or window assemblies to hinder movement of the sliding panel by an intruder. Improved adjustment and reenforcement characteristics are attained by coupling the base and extension by a reenforcement assembly (14), forming a plurality of holes (19), (24), (32) through the base, extension, and reenforcement assembly providing for selective alignment of said holes, and providing latch-borne knobs (28), (36) for selectively engaging the aligned holes.
    Type: Grant
    Filed: July 28, 1989
    Date of Patent: April 7, 1992
    Inventor: John R. Schallern
  • Two section laundry basket
    Patent number: D392431
    Type: Grant
    Filed: April 14, 1997
    Date of Patent: March 17, 1998
    Inventor: John R. Schallern