Patents by Inventor Roman Stach

Roman Stach 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 slow shift control unit
    Patent number: 6364280
    Abstract: A device for controlling movement of a valve comprising first and second chambers having a fluid; passage means communicating with said first and second chambers for displacement of said fluid between said chambers through said passageway upon movement of said valve.
    Type: Grant
    Filed: June 2, 2000
    Date of Patent: April 2, 2002
    Assignee: Damir Anton Fox
    Inventor: Roman Stach