TREA

Andy Holt

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  • Des Moines, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Product display
    • Patent number 6,318,574
    • Issue date Nov 20, 2001
    • Andy Holt
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Barrel water gardens
    • Patent number 6,173,530
    • Issue date Jan 16, 2001
    • Andy Holt
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Elastomeric pump housing
    • Patent number 6,174,142
    • Issue date Jan 16, 2001
    • Andrew J. Holt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Traffic control barriers
    • Patent number 6,071,037
    • Issue date Jun 6, 2000
    • Andy Holt
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES