Patents by Inventor Robert L. Wobser, II

Robert L. Wobser, II 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).

  • Chalkline string holder
    Patent number: 4932135
    Abstract: There is provided a chalkline string holder for positioning and anchoring the free end of a chalkline string, thereby allowing a single operator to pay-out, stretch, and snap the chalkline string without assistance from another.
    Type: Grant
    Filed: May 11, 1989
    Date of Patent: June 12, 1990
    Inventor: Robert L. Wobser, II