Patents by Inventor David Risher

David Risher 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).

  • AIM chaulk box/layout assistant
    Publication number: 20040221469
    Abstract: An AIM Chaulk Box including a base assembly comprising a top surface, a bottom surface and a plurality of side surfaces collectively defining an internal cavity; a radius measuring assembly attached to one of the plurality of side surfaces of the base assembly, wherein the radius measuring assembly comprises a pivot structure operable for pivotably engaging a first end of a tape-like structure; and a chaulk line tensioning assembly attached to one of the plurality of side surfaces of the base assembly, wherein the chaulk line tensioning assembly comprises a fitting operable for securely engaging a first end of a string-like structure.
    Type: Application
    Filed: April 28, 2003
    Publication date: November 11, 2004
    Inventor: David Risher
  • AIM chalk box/layout assistant
    Patent number: D505345
    Type: Grant
    Filed: April 28, 2003
    Date of Patent: May 24, 2005
    Inventor: David Risher