Patents by Inventor Alan B. Christianson

Alan B. Christianson 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).

  • Sewage system for vehicles
    Patent number: 7431051
    Abstract: A sewage system for vehicles that includes a waste hose that is extendable and retractable.
    Type: Grant
    Filed: August 14, 2003
    Date of Patent: October 7, 2008
    Assignee: Marathon Coach, Inc.
    Inventors: Robert A. Schoellhorn, Mark A Bryan, Alan B. Christianson, Gerald R Lacey
  • Sewage system for vehicles
    Publication number: 20040031528
    Abstract: A sewage system for vehicles that includes a waste hose that is extendable and retractable.
    Type: Application
    Filed: August 14, 2003
    Publication date: February 19, 2004
    Inventors: Robert A. Schoellhorn, Mark A. Bryan, Alan B. Christianson, Gerald R. Lacey
  • Sewage system for vehicles
    Patent number: 6607009
    Abstract: A sewage system for vehicles that includes a waste hose that is extendable and retractable.
    Type: Grant
    Filed: June 13, 2001
    Date of Patent: August 19, 2003
    Assignee: Marathon Coach, Inc.
    Inventors: Robert A. Schoellhorn, Mark A Bryan, Alan B. Christianson, Gerald R. Lacey
  • Sewage system for vehicles
    Publication number: 20020189673
    Abstract: A sewage system for vehicles that includes a waste hose that is extendable and retractable.
    Type: Application
    Filed: June 13, 2001
    Publication date: December 19, 2002
    Inventors: Robert A. Schoellhorn, Mark A. Bryan, Alan B. Christianson, Gerald R. Lacey