TREA

PREVENTATIVE MAINTENANCE SYSTEMS, LTD

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  • OAKVILLE, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tanker access platform
    • Patent number 5,490,579
    • Issue date Feb 13, 1996
    • Preventative Maintenance Systems
    • Ralph D. Ratcliffe
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Drip bucket
    • Patent number 5,165,574
    • Issue date Nov 24, 1992
    • Preventative Maintenance Systems Ltd.
    • Ralph D. Ratcliffe
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...

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