TREA

Peter J. Cook

Follow

Person

  • Johannesburg, ZA
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Prop headboard
    • Patent number 5,658,099
    • Issue date Aug 19, 1997
    • HL & H Timber Products (Propreitary) Limited
    • Frans Roelof Petrus Pienaar
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine prop headboard
    • Patent number 5,427,476
    • Issue date Jun 27, 1995
    • HL&H Timber Products (PTY) Ltd.
    • Frans R. P. Pienaar
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Yieldable load support
    • Patent number 5,318,387
    • Issue date Jun 7, 1994
    • H L & H Timber Products (Proprietary) Limited
    • Frans R. P. Pienaar
    • E21 - EARTH DRILLING MINING