Patents by Inventor Robert F. Redl

Robert F. Redl 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).

  • Brick line tool
    Patent number: 5009015
    Abstract: A pair of flat plates with two rectangular sides provide corner pieces which fit over the top edges of bricks at opposite ends of a structure. Each plate includes a raised tab and extending finger which receive a line or string to be held taut between the two end pieces. The string serves as a linear guide for laying bricks in a straight line between the two ends. The device provides a simplified tool which saves time and effort in achieving the desired linear brick construction.
    Type: Grant
    Filed: June 20, 1989
    Date of Patent: April 23, 1991
    Assignees: Louis J. Volpe, Jr., Steven E. Wagner, Daniel L. Kurpick
    Inventor: Robert F. Redl
  • Umbrella with improved wind-up handle
    Patent number: 4619281
    Abstract: An umbrella comprises a cover having open and closed positions. A hollow pole supports the cover. An operative wind-up assembly for selectively opening and closing the cover includes a mechanism mounted on the pole. A cable extends from the wind-up mechanism through the inside of the pole for activating the cover. Part of the wind-up mechanism includes a rotatable handle with an interiorly positioned spool. One end of the cable is attached around the spool for winding the cable when the handle is rotated to cause opening of the cover.
    Type: Grant
    Filed: June 5, 1985
    Date of Patent: October 28, 1986
    Inventors: Richard S. Redl, Robert F. Redl