Patents by Inventor N. Bruce Unruh

N. Bruce Unruh 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).

  • Patent number: 6722067
    Abstract: Sign holders are provided for displaying sign inserts. The sign holders are capable of being reused, whereby several different signs can be removably affixed to the sign holders for displaying signs at multiple events. Signage systems are also provided, comprising a plurality of sign holders and an optional container for storing and transporting the same.
    Type: Grant
    Filed: October 16, 2001
    Date of Patent: April 20, 2004
    Assignee: Signage Resources, LLC
    Inventors: Robert D. Kennedy, A. Joe Benjamin, William B. Miller, N. Bruce Unruh
  • Patent number: 4597124
    Abstract: The present invention relates to a method and apparatus for cleaning upholstery which involves minimal risk of dye bleeding and which is reasonably effective. The invention uses a hand-held applicator and a remote unit. A jet nozzle on the hand-held applicator sprays cleaning solution onto the upholstery. Secured adjacent to the jet nozzle is a brush which imparts mechanical energy to the upholstery and aids in cleaning. Disposed above the brush is a vacuum head that removes the cleaning solution from the upholstery. Air is induced into the vacuum head by a blower secured within the remote unit. The air effectively lifts the cleaning solution from the upholstery and carries the cleaning solution into the vacuum head. Once inside the vacuum head, the combined mixture of air and cleaning solution is directed through a hose into a recovery tank secured within the remote unit where the air and cleaning solution are separated.
    Type: Grant
    Filed: December 26, 1984
    Date of Patent: July 1, 1986
    Inventors: Robert C. Williams, III, N. Bruce Unruh