Patents by Inventor John K. Weiser

John K. Weiser 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).

  • Ice guard for grooved trolley wire
    Patent number: 5456962
    Abstract: An ice guard for a grooved trolley wire including a canopy supported on the wire by support members which extend inwardly from the canopy and are frictionally fit in the grooves of the trolley wire.
    Type: Grant
    Filed: April 13, 1993
    Date of Patent: October 10, 1995
    Inventor: John K. Weiser