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Patrick R. Ledoux

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  • New Orleans, LA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatus for deforming reformable tubular pipe liners
    • Patent number 5,342,570
    • Issue date Aug 30, 1994
    • Pipe Liners, Inc.
    • Patrick R. Ledoux
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Pipe lining apparatus
    • Patent number 5,112,211
    • Issue date May 12, 1992
    • Pipe Liners, Inc.
    • Patrick LeDoux
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Pipe lining process
    • Patent number 5,091,137
    • Issue date Feb 25, 1992
    • Pipe Liners, Inc.
    • Patrick R. Ledoux
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Apparatus for deforming plastic tubing for lining pipe
    • Patent number 4,998,871
    • Issue date Mar 12, 1991
    • Pipe Liners, Inc.
    • Patrick R. Ledoux
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Pipe liner process
    • Patent number 4,986,951
    • Issue date Jan 22, 1991
    • Pipe Liners, Inc.
    • Patrick R. Ledoux
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Pipe liner process
    • Patent number 4,985,196
    • Issue date Jan 15, 1991
    • Pipe Liners, Inc.
    • Patrick LeDoux
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method and apparatus for deforming reformable tubular pipe liners
    • Patent number 4,863,365
    • Issue date Sep 5, 1989
    • Pipe Liners, Inc.
    • Patrick R. Ledoux
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL