Patents by Inventor Aldus Johnson

Aldus Johnson 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).

  • Mobile cart
    Patent number: 4230329
    Abstract: A Mobile Cart/Workbench having a remotely controlled retractable support wheel assembly and a support frame adapted to support and transport doors and the like carried along with a carpenter's other woodworking tools.
    Type: Grant
    Filed: October 16, 1978
    Date of Patent: October 28, 1980
    Assignee: William H. Lambert
    Inventor: Aldus Johnson