Patents by Inventor Alan Sova

Alan Sova 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).

  • Counterbalance mechanism
    Patent number: 5180136
    Abstract: A counterbalance mechanism including a pair of interconnected parallelogram linkages provided with counterbalance springs, and an adjustment for simultaneously controlling the counterbalance effect of the springs.
    Type: Grant
    Filed: August 19, 1991
    Date of Patent: January 19, 1993
    Assignee: Weber-Knapp Company
    Inventor: Alan Sova