TREA

Robert Theodore Northern

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  • South Bend, IN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Level and protractor
    • Patent number 7,137,209
    • Issue date Nov 21, 2006
    • Robert Theodore Northern
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Pipe bending level
    • Patent number D332754
    • Issue date Jan 26, 1993
    • Philip D. Weldy
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Pipe bending level
    • Patent number 5,167,075
    • Issue date Dec 1, 1992
    • All-Pro Level, Inc.
    • Philip D. Weldy
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Level and protractor
    • Publication number 20050022405
    • Publication date Feb 3, 2005
    • Robert Theodore Northern
    • G01 - MEASURING TESTING