Patents by Inventor Philip D. Weldy

Philip D. Weldy 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: 5167075
    Abstract: A level/protractor tool which includes two or more sections pivotally joined to facilitate angular displacement. One or more sections house level-indicating spirit vials. Angular displacement indicia marks are imprinted on each section at its juncture with an adjoining section to visually indicate the degree of angular displacement between adjacent sections.
    Type: Grant
    Filed: May 28, 1991
    Date of Patent: December 1, 1992
    Assignee: All-Pro Level, Inc.
    Inventors: Philip D. Weldy, Robert Northern
  • Patent number: D332754
    Type: Grant
    Filed: July 19, 1990
    Date of Patent: January 26, 1993
    Inventors: Philip D. Weldy, Robert Northern