Patents by Inventor Marvin W. Schwandt

Marvin W. Schwandt 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).

  • Window latch
    Patent number: 4174129
    Abstract: Window latching apparatus for securing a cab window above the head of an operator includes a rotatable cam mounted to a side roof rail of the cab. A pin projecting from frame of window engages a slot in the cam. Lever means including spring biasing means are provided to interlock with cam to retain window in safely stowed position overhead of the operator.
    Type: Grant
    Filed: July 5, 1977
    Date of Patent: November 13, 1979
    Assignee: Massey-Ferguson Inc.
    Inventors: Marvin W. Schwandt, John F. Hern