Patents by Inventor Douglass R. Falkenberg

Douglass R. Falkenberg 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).

  • Reaction support for pulley holddown
    Patent number: 3945264
    Abstract: A reaction type support for a pulley holddown for traverse rods providing a reaction support for the foot of the holddown as a mounting to either a wall or floor surface to take up increase in length of traverse rod cord and permit outward pull of the cord during traverse rod adjustment to prevent damage to or release of the holddown from the support surface.
    Type: Grant
    Filed: June 3, 1974
    Date of Patent: March 23, 1976
    Assignee: Douglass Manufacturing Company, Inc.
    Inventor: Douglass R. Falkenberg
  • Weighted cord drop or similar article
    Patent number: D288765
    Type: Grant
    Filed: October 26, 1984
    Date of Patent: March 17, 1987
    Assignee: Douglass Manufacturing Company
    Inventors: Douglass R. Falkenberg, Jeanne P. Campbell