Patents by Inventor Anton C. Hendrickson

Anton C. Hendrickson 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: 4653424
    Abstract: A crack filling apparatus which is light weight, easy to assemble and easy to maneuver includes a support frame having a pivot intermediate the frame forward and rearward end. A tank means for holding a crack filling medium is supported at the forward end. Squeegee means is pivoted about said pivot coaxial with the shafts of the wheel means. A handle is provided with control means to regulate the squeegee means and the flow of crack filling medium from the tank.
    Type: Grant
    Filed: November 14, 1985
    Date of Patent: March 31, 1987
    Inventors: Dennis L. Schloss, Anton C. Hendrickson
  • Patent number: D297777
    Type: Grant
    Filed: February 20, 1986
    Date of Patent: September 20, 1988
    Inventors: Dennis L. Schloss, Anton C. Hendrickson