Patents by Inventor Manuel S. Zannis

Manuel S. Zannis 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 speed linear actuator
    Patent number: 5317934
    Abstract: An apparatus that converts a rotary motion into linear motion through the use of a linkage system that has a pair of levers that are driven through a pulley arrangement. Wherein, the pair of levers and pulley arrangement are configured to produce a variable linear drive.
    Type: Grant
    Filed: July 6, 1992
    Date of Patent: June 7, 1994
    Inventor: Manuel S. Zannis