Patents by Inventor Albert B. Crippin

Albert B. Crippin 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: 4872518
    Abstract: A conversion apparatus for use in combination with a chain saw is set forth wherein a housing includes a rotatable shaft for attachment of a left-hand helical flight ice auger wherein the shaft includes a plurality of bearings secured within either side of the housing with the shaft extending through the housing and formed with a sprocket housing for mating engagement with the chain saw sprocket. A depending extension of the housing includes a plurality of through extending apertures for accepting a plurality of spaced threaded connectors associated with a chain saw.
    Type: Grant
    Filed: August 10, 1988
    Date of Patent: October 10, 1989
    Inventor: Albert B. Crippin