Patents by Inventor Barry F. Cornell

Barry F. Cornell 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).

  • Patent number: 4336844
    Abstract: There is disclosed a farm implement having a frame connectible to a tractor by means of a three-point hitch to permit it to be moved forwardly over the ground level, a first set of chisels supported on the frame in laterally spaced-apart relation, a second set of chisels supported on the frame rearwardly of the first set and laterally intermediate laterally adjacent chisels of the first set, and a lister mounted on each chisel of the second set with its lower edge above the lower edge of the chisel of the second set. In use of the implement, the first set of chisels form longitudinally extending trenches in the ground, and the listers mounted on the chisels of the second set turn the soil toward the trenches in order to build beds thereover.
    Type: Grant
    Filed: September 19, 1980
    Date of Patent: June 29, 1982
    Assignee: Lehman-H Feeder & Plow, Inc.
    Inventors: William H. Helbig, Barry F. Cornell