Patents by Inventor Earl D. Williams

Earl D. Williams 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).

  • Apparatus for unattended conversion of a front end loader
    Patent number: 4255884
    Abstract: An auxiliary blade, such as a snowplow or the like, is quickly attached to or released from the bucket of a front end loader solely by pivotal movement of the bucket relative to the blade, without requiring the driver of the front end loader to dismount and operate any securing means.
    Type: Grant
    Filed: November 27, 1979
    Date of Patent: March 17, 1981
    Inventor: Earl D. Williams