TREA

Roman Andruchiw

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  • Willowdale, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sealing device for electrical meter
    • Patent number 4,146,258
    • Issue date Mar 27, 1979
    • Step-Rite Limited
    • Roman Andruchiw
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Stair climbing device
    • Patent number 4,109,740
    • Issue date Aug 29, 1978
    • Step-Rite Limited
    • Roman Andruchiw
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS