Patents by Inventor Alan T. Fredrick

Alan T. Fredrick 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: 4503935
    Abstract: A lift mast for industrial trucks includes a stationary upright having a movable upright mounted thereon and a lift jack interconnected between the uprights. A bracket member is secured to a cylinder of the lift jack and is further secured to the stationary upright along with at least one elastomeric bushing that will allow the cylinder to move slightly relative to the stationary upright.
    Type: Grant
    Filed: March 15, 1982
    Date of Patent: March 12, 1985
    Assignee: Towmotor Corporation
    Inventors: John J. Haffer, Alan T. Fredrick