Patents by Inventor William B. Christenson

William B. Christenson 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).

  • Patent number: 7108005
    Abstract: A canopy (100) suspended above an opening (202) in a vehicle (200) is provided. The vehicle (200) has a roof (215) and a pair of vertically hung doors (204 and 206) pivotal to an open position to create the opening in the vehicle. The canopy comprises a flexible cover (102) having a top panel (104) extending between the doors and the roof. The canopy aids in forming an enclosure bounded by the top panel, the doors, a ground surface, the opening in the vehicle, and a rear opening and a non-closable bottom opening in the enclosure permitting walk-in access to the enclosure. A support frame (106) is coupled to the cover to aid in suspending the cover above the ground surface and above the opening in the vehicle. The canopy further includes an attachment assembly (108) for coupling the cover to the vehicle. In an alternate embodiment, a canopy 400 for interfacing with a vehicle 500 having a liftgate 504 is provided.
    Type: Grant
    Filed: May 28, 2003
    Date of Patent: September 19, 2006
    Inventors: William B. Christenson, Renee L. Christenson