Patents by Inventor Wayne Gustafson

Wayne Gustafson 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).

  • Hitch for draft implement
    Patent number: 4361341
    Abstract: A hitch for elongate implements such as a grain drill, the hitch including a draft frame with a dogleg shape, and a diagonal brace connected to the implement, a cable interconnecting the draft frame and diagonal brace and coordinating motion thereof, a spring-operated latch mechanism connecting and disconnecting the draft frame and diagonal brace, and a swingable connecting link at the forward end of the draft frame and a spring-operated latch mechanism maintaining the connecting link and draft frame in predetermined orientation.
    Type: Grant
    Filed: March 24, 1980
    Date of Patent: November 30, 1982
    Assignee: Erskine Manufacturing Company, Inc.
    Inventor: Wayne Gustafson
  • Hitch for draft implement
    Patent number: 4204699
    Abstract: A hitch for elongate implements such as a grain drill, the hitch including a draft frame with a dogleg shape, and a diagonal brace connected to the implement, a cable interconnecting the draft frame and diagonal brace and coordinating motion thereof, a spring-operated latch mechanism connecting and disconnecting the draft frame and diagonal brace, and a swingable connecting link at the forward end of the draft frame and a spring-operated latch mechanism maintaining the connecting link and draft frame in predetermined orientation.
    Type: Grant
    Filed: November 17, 1978
    Date of Patent: May 27, 1980
    Assignee: Erskine Manufacturing Company, Inc.
    Inventor: Wayne Gustafson