Patents by Inventor Willie D. Crawford

Willie D. Crawford 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: 5133335
    Abstract: A technique and equipment for grafting are disclosed. The technique involves forming a wedge on a scion, forming a cleft or side cut in rootstock, forming a union with the scion and rootstock, binding the union with budding strips, and coating the wrapped union with liquid paraffin wax. Clothespin type clamps are advantageously employed to releasably close the cleft, prior to forming the union, and for securing the union during binding. Grafting tools are provided in a grafting tool kit and include a knife, budding strips, paraffin wax, a brush, a metal cup, hand pruners, whet rocks and honing oil, alcohol and paper towels, and clothespins. The paraffin wax is applied to the bound union in a clear liquid state at 175.degree.-200.degree. F., and preferably at an ambient temperature of at least 38.degree. F. and less than 15 mph winds.
    Type: Grant
    Filed: July 12, 1991
    Date of Patent: July 28, 1992
    Assignee: Champion International Corporation
    Inventors: Willie D. Crawford, Bill Jacobs
  • Patent number: 5099600
    Abstract: A technique and equipment for grafting are disclosed. The technique involves forming a wedge on a scion, forming a cleft or side cut in rootstock, forming a union with the scion and rootstock, binding the union with budding strips, and coating the wrapped union with liquid paraffin wax. Clothespin type clamps are advantageously employed to releasably close the cleft, prior to forming the union, and for securing the union during binding. Grafting tools are provided in a grafting tool kit and include a knife, budding strips, paraffin wax, a brush, a metal cup, hand pruners, whet rocks and honing oil, alcohol and paper towels, and clothespins. The paraffin wax is applied to the bound union in a clear liquid state at 175.degree.-200.degree. F., and preferably at an ambient temperature of at least 38.degree. F. and less than 15 mph winds.
    Type: Grant
    Filed: January 17, 1989
    Date of Patent: March 31, 1992
    Assignee: Champion International Corporation
    Inventors: Willie D. Crawford, Bill Jacobs