Patents by Inventor Ronald A. Laffler

Ronald A. Laffler 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).

  • Roller tube for awning and method of forming
    Patent number: 5383346
    Abstract: A galvanized and coated roll formed tube has several slideway channels formed therein. Edges of the sheet material forming the tube are folded back and interlocked in a hook arrangement to form a seam. The seam is located radially inwardly from the inner circumferential surface of the tube, preferably on a wall of one of the channels. Strengthening ridges are also formed in the tube. The tube is attached to an awning and supported at each end by poles or outriggers. The awning is also attached to a wall so as to be rollable around the tube.
    Type: Grant
    Filed: May 25, 1994
    Date of Patent: January 24, 1995
    Assignee: White Consolidated Industries
    Inventors: Ronald A. Laffler, Thomas DeVoursney
  • Roller tube for awning and method of forming
    Patent number: 5351736
    Abstract: A galvanized and coated roll formed tube has several slideway channels formed therein. Edges of the sheet material forming the tube are folded back and interlocked in a hook arrangement to form a seam. The seam is located radially inwardly from the inner circumferential surface of the tube, preferably on a wall of one of the channels. Strengthening ridges are also formed in the tube. The tube is attached to an awning and supported at each end by poles or outriggers. The awning is also attached to a wall so as to be rollable around the tube.
    Type: Grant
    Filed: October 4, 1993
    Date of Patent: October 4, 1994
    Assignee: The Dometic Corporation
    Inventors: Ronald A. Laffler, Thomas DeVoursney
  • Roll formed metal tube around which awning fabric can be wound
    Patent number: D353473
    Type: Grant
    Filed: February 19, 1993
    Date of Patent: December 13, 1994
    Assignee: The Dometic Corporation
    Inventor: Ronald A. Laffler