Patents by Inventor Robert H. Litowitz

Robert H. Litowitz 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).

  • Table saw guide construction
    Patent number: 4713993
    Abstract: A table saw guide or fence for maintaining a workpiece in position parallel to the plane of a saw blade, in which the guiding edge is capable of initial adjustment in direct contact with a planar surface of the blade, and is maintained in such condition until a parallelogram linkage is secured to the saw table, following which the guiding edge may be released and moved over the surface of the saw table without loss of parallel relation relative to the saw blade, and selectively fixed in position at a location corresponding to the desired width of the cut workpiece.
    Type: Grant
    Filed: August 6, 1986
    Date of Patent: December 22, 1987
    Inventor: Robert H. Litowitz
  • Window shade pull
    Patent number: D291954
    Type: Grant
    Filed: December 21, 1984
    Date of Patent: September 22, 1987
    Inventor: Robert H. Litowitz
  • Window shade pull or similar article
    Patent number: D294549
    Type: Grant
    Filed: July 2, 1987
    Date of Patent: March 8, 1988
    Inventor: Robert H. Litowitz
  • Window shade pull or similar article
    Patent number: D294550
    Type: Grant
    Filed: July 2, 1987
    Date of Patent: March 8, 1988
    Inventor: Robert H. Litowitz
  • Window shade pull or similar article
    Patent number: D294669
    Type: Grant
    Filed: July 2, 1987
    Date of Patent: March 15, 1988
    Inventor: Robert H. Litowitz
  • Window shade pull or similar article
    Patent number: D311294
    Type: Grant
    Filed: July 2, 1987
    Date of Patent: October 16, 1990
    Inventor: Robert H. Litowitz