Patents Assigned to All-Pro Level, Inc.
  • Pipe bending level
    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