Patents by Inventor Ivan A. Duck

Ivan A. Duck 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).

  • Wiper equipment
    Patent number: 4564971
    Abstract: The need for separately manufactured left-hand and right-hand wiper arms, when a bend is provided along the length of the wiper arms, is avoided by enabling an inner end of a bar portion to be removed from a retainer portion, rotated through a half turn about the longitudinal center line of the inner end, and detachably reassembled with the retainer portion, and by enabling an arm termination to be removed from an outer end of the bar portion, rotated through a half turn about the longitudinal center line of the outer end, and detachably reassembled with the bar portion.
    Type: Grant
    Filed: August 6, 1984
    Date of Patent: January 21, 1986
    Assignee: Trico Products Corporation
    Inventors: Peter C. Pethers, Ivan A. Duck, Malcolm A. Carter