Patents by Inventor Alan D. Bultman

Alan D. Bultman 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 and method for tilling soil
    Patent number: 5782309
    Abstract: An apparatus for tilling soil having a support assembly, a shaft assembly secured to the support assembly, and a paddle assembly secured to the shaft assembly. The paddle assembly has three interconnected blades such as to form a triangular opening wherethrough the shaft assembly passes and connects to the three interconnected blades. A method for tilling and/or pitting soil.
    Type: Grant
    Filed: January 25, 1994
    Date of Patent: July 21, 1998
    Inventor: Alan D. Bultman