Patents by Inventor John H. Crumbaugh

John H. Crumbaugh 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).

  • Clip for attaching insulation and the assembly thereof
    Patent number: 4043092
    Abstract: A clip and the assembly of the clip with a structural member and insulative layers, the clip being releasibly self-attached to projecting edge portions of the member so as to have two impaling projections for impaling the layers.
    Type: Grant
    Filed: October 2, 1973
    Date of Patent: August 23, 1977
    Assignee: United States Gypsum Company
    Inventors: George W. Paul, Henry A. Balinski, Paul S. Quigg, John H. Crumbaugh
  • Resilient-edged wallboard and wall assembled therewith
    Patent number: 3998015
    Abstract: A predecorated wall panel is disclosed for use in forming walls in which the joints between the panels are not to be finished. The panel includes a rigid core of green hydrated gypsum with a layer of resilient deformable material along at least one edge thereof being adhesively affixed thereto and a decorative sheet covering the front surface and side edge surface of the panel with a decorative sheet being under tension in the vicinity of one edge surface thereby partially compressing the deformable material and enabling two or more panels to be positioned with a core edge surface adjacent to each other thereby presenting an attractive appearance.
    Type: Grant
    Filed: July 26, 1973
    Date of Patent: December 21, 1976
    Assignee: United States Gypsum Company
    Inventors: Junior L. Scott, Fred H. Zajonc, John H. Crumbaugh