Patents by Inventor Jack J. Friedman

Jack J. Friedman 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).

  • Adjustable wire entrance hanger for a traffic signal
    Patent number: 3989217
    Abstract: An adjustable length traffic signal hanger for suspending a traffic signal, the hanger being composed of two members in sliding contact with one another and adapted to be extended or retracted and locked into a position, the hanger terminating at the lower end in a side opening pocket which communicates with a terminal end pocket to accommodate wires to electrically energize a traffic signal housing and means for connecting a traffic signal housing to the end of the hanger in covering relation of the lower end and an anti-sway member for use in combination with a cable.
    Type: Grant
    Filed: January 23, 1975
    Date of Patent: November 2, 1976
    Inventor: Jack J. Friedman
  • Sign bracket
    Patent number: D269192
    Type: Grant
    Filed: February 23, 1981
    Date of Patent: May 31, 1983
    Inventor: Jack J. Friedman