Patents by Inventor Joseph Zaretsky

Joseph Zaretsky 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).

  • Charge compensation network for ink jet printer
    Patent number: 3946399
    Abstract: Provision is made for compensating for the effects of the aerodynamic forces and electrostatic forces on a charged ink drop in the vicinity of another charged ink drop or drops by altering the charge applied to the drops affected by these forces so that flight to the intended location of the drop will occur.
    Type: Grant
    Filed: November 15, 1974
    Date of Patent: March 23, 1976
    Assignee: A. B. Dick Company
    Inventor: Joseph Zaretsky