Patents by Inventor Paul W. Hrysko

Paul W. Hrysko 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).

  • Means for attaching sheet material to a substrate
    Patent number: 4799845
    Abstract: A fastening disk for use in attaching sheet material to a substrate, comprising:(a) a disk plate with a substantially discoid concave proximal surface for positioning facing the sheet material to be attached,(b) concentric inner and outer tubular posts extending from the distal surface of the disk plate,(c) radial struts connecting the inner and outer posts, and(d) radial vanes on the distal surface of the disk plate between the outer post and the periphery of the disk plate, the disk being compressible to reduce the concavity of the disk plate.
    Type: Grant
    Filed: May 18, 1987
    Date of Patent: January 24, 1989
    Assignee: Dunlop Construction Products Inc.
    Inventor: Paul W. Hrysko