Patents by Inventor Gerald E. Bergum

Gerald E. Bergum 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 assembly with an internally propelled window unit
    Patent number: 5595026
    Abstract: A window assembly having an internal propelling system is provided. A movable window unit within a frame of the window assembly is provided. Also provided is an internal propelling system comprising at least one piston and cylinder assembly mounted at least partially within the frame of the window assembly. The internal propelling system propels the movable window unit to a relatively open position upon activation of the system.
    Type: Grant
    Filed: September 9, 1994
    Date of Patent: January 21, 1997
    Inventors: Michael A. Licking, Gerald E. Bergum