Patents by Inventor Irwin Shair

Irwin Shair 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).

  • Variable rate ink jet printing
    Patent number: 4281331
    Abstract: A method of simulating variable rate printing in an ink jet printing system employing a fixed frequency vibrating reed. By varying several printing parameters, a range of quantized values is derived for character size and the rate of character generation.
    Type: Grant
    Filed: January 24, 1980
    Date of Patent: July 28, 1981
    Assignee: Dennison Manufacturing Company
    Inventor: Irwin Shair