Patents by Inventor Norman E. Skelly

Norman E. Skelly 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: 5176058
    Abstract: A workpiece-holding fixture for use with a table saw to cut straight, parallel or tapered sides on a workpiece. The fixture comprises a channel-shaped body having clamps for removably securing a workpiece in the body, a shield supported by the body for overlying the saw blade, and retainers cooperable with the table saw fence for preventing interference between the fixture and the saw blade. A guide is provided for use in supporting successive workpieces to enable them to be uniformly tapered.
    Type: Grant
    Filed: September 30, 1991
    Date of Patent: January 5, 1993
    Assignee: STRA-COL Inc.
    Inventor: Norman E. Skelly
  • Patent number: 4968433
    Abstract: Cationic organic impurities such as ternary sulfonium ions and quaternary ammonium and phosphonium compounds are effectively removed from polar liquids such as water or water/alcohol mixtures by contacting the polar liquid with an absorbent comprising a trinitroarenol such as a picric acid. This method is particularly effective for removing such cationic impurities from polar liquids containing organic zwitterions.
    Type: Grant
    Filed: December 6, 1989
    Date of Patent: November 6, 1990
    Assignee: The Dow Chemical Company
    Inventors: Donald L. Schmidt, Norman E. Skelly