Patents by Inventor Billy W. Lewis

Billy W. Lewis 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).

  • Floor jack
    Patent number: 4005850
    Abstract: A self-propelled floor jack for intermittently lifting substantially great loads and comprising base element means supported by propelling wheel means, lift means selectively engagable with the load, positive-lock pawl and ratchet means cooperating with the lift means for locking thereof in preselected elevated positions, bell crank and lever means operably connected with the lift means for determining the travel path therefor, and steering and control means operable for propelling and actuating the apparatus.
    Type: Grant
    Filed: August 4, 1975
    Date of Patent: February 1, 1977
    Assignee: Goodbary Engineering Co.
    Inventors: Walter I. Myers, Edgar R. Goodbary, Richard L. Thomas, Billy W. Lewis, Francis A. Bartley