Patents by Inventor Harold J. VanDuser

Harold J. VanDuser 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: 4889389
    Abstract: A seat with integral three point user restraint which has a seat and a three point restraint system for restraining the user to the seat, the three point restraint system is mounted entirely and directly to the seat, the seat and the three point restraint system together form a self contained integral unit so that the seat is adaptable to different installations without relocating the three point restraint system.
    Type: Grant
    Filed: December 23, 1988
    Date of Patent: December 26, 1989
    Assignee: Grumman Allied Industries, Inc.
    Inventors: David A. White, James W. Hofrichter, Harold J. VanDuser
  • Patent number: 4632457
    Abstract: A collapsible seat for use in industrial machinery cabs or commercial vehicles. The seat is secured at one end to a hinge attached to a vertical support member. The other end of the seat is supported by foldable arms, and a flexible tension member interconnects a lever arm adjacent the seat and the foldable arms. Rotation of the lever arm causes the foldable arms to fold and the seat to collapse against the vertical support member.
    Type: Grant
    Filed: October 15, 1985
    Date of Patent: December 30, 1986
    Assignee: Seats Incorporated
    Inventors: James W. Hofrichter, Harold J. VanDuser
  • Patent number: D326959
    Type: Grant
    Filed: March 3, 1989
    Date of Patent: June 16, 1992
    Assignee: Seats, Inc.
    Inventors: Harold J. VanDuser, Eric W. Sauey