Patents by Inventor David G. Stephenson

David G. Stephenson 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).

  • Rotary driven cultivator with support arm between clutch casing and gear box
    Patent number: 4776405
    Abstract: An improved rotary cultivator includes a prime mover, a gear box and rotary driven tines. An engine mount casing is located between the prime mover and the gear box and is employed in securing such components together in an operative unitary fashion.
    Type: Grant
    Filed: May 26, 1987
    Date of Patent: October 11, 1988
    Assignee: Western International, Inc.
    Inventors: C. Austin Grieder, David G. Stephenson, John R. Durfee
  • Removable grass catcher
    Patent number: 4648238
    Abstract: A removable grass catcher for a rotary lawn mower that includes a relatively rigid housing for the collection of grass clippings. The housing includes a top wall with at least one downwardly extending flange, at least a part of which top wall is spaced apart from the upper edges of at least one of the rear and side walls of the housing to provide air gaps therebetween that serve as air vents for the housing during the accumulation of grass clippings therein.
    Type: Grant
    Filed: March 18, 1985
    Date of Patent: March 10, 1987
    Assignee: Western International, Inc.
    Inventors: C. Austin Greider, David G. Stephenson, Terry R. Lee, John R. Durfee