Patents by Inventor John Francis Wagner

John Francis Wagner 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).

  • Automated home knitting machine with program card reader
    Patent number: 4040277
    Abstract: An electronic home knitting machine which functions pursuant to patterning instructions on a program card and in response to the operation of control devices by an operator causing needle actuators on the carriage of the machine to be selectively operated and fabric unit in a prescribed manner on the machine is provided with an acutely discriminating adaptive card reader for detecting instruction marks on the card and means operable to indicate to an operator an error in the reading of the card.
    Type: Grant
    Filed: October 30, 1975
    Date of Patent: August 9, 1977
    Assignee: The Singer Company
    Inventors: William Kahan, Fredrick Alexander Rupinski, John Francis Wagner, Thomas Richard Peer
  • Automated home knitting machine
    Patent number: 3991592
    Abstract: A home knitting machine is provided with electronic control means which function pursuant to patterning instructions on a program card and in response to the operation of control devices by an operator causing needle actuators on the carriage of the machine to be selectively operated and fabric knitted in a prescribed manner on the machine.
    Type: Grant
    Filed: October 30, 1975
    Date of Patent: November 16, 1976
    Assignee: The Singer Company
    Inventors: William Kahan, Fredrick Alexander Rupinski, Barney Dean Hunts, Howard David Rogers, John Francis Wagner, John Vernon Landau, Jr.