Patents by Inventor Robert C. Blanchard

Robert C. Blanchard 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).

  • Dual quality wire matrix print head
    Patent number: 4605323
    Abstract: A wire matrix print head movable along a print line has a pair of guides containing print wires arranged in two parallel columns. Horizontally movable sloped platforms are provided for moving the guides vertically relative to each other so as to change the alignment of the wires in one guide with those in the other guide, thereby changing high speed mode of printing to high quality mode, and vice-versa.
    Type: Grant
    Filed: July 2, 1985
    Date of Patent: August 12, 1986
    Assignee: AT&T Teletype Corporation
    Inventors: Robert C. Blanchard, David G. Geis