Patents by Inventor Leroy G. Fehrenkamp

Leroy G. Fehrenkamp 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).

  • Surface finishing
    Patent number: 4225372
    Abstract: A surface of an article adapted for relative motion with a fluid environment is finished by coating the surface with a fluid adhesive, covering the adhesive with a sheet of flexible film material under tension, and setting the adhesive while maintaining tension on the film material whereby the tensioned film material is bonded to the surface by the adhesive.
    Type: Grant
    Filed: January 25, 1979
    Date of Patent: September 30, 1980
    Assignee: The United States of America as represented by the National Aeronautics and Space Administration
    Inventors: Jack A. Kinzler, James T. Heffernan, Leroy G. Fehrenkamp, William S. Lee
  • Surface finishing
    Patent number: 4032089
    Abstract: A surface of an article adapted for relative motion with a fluid environment is finished by coating the surface with a fluid adhesive, covering the adhesive with a sheet of flexible film material under tension, and setting the adhesive while maintaining tension on the film material whereby the tensioned film material is bonded to the surface by the adhesive.
    Type: Grant
    Filed: April 16, 1975
    Date of Patent: June 28, 1977
    Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
    Inventors: Jack A. Kinzler, James T. Heffernan, Leroy G. Fehrenkamp, William S. Lee