TREA

Andrew B. Campbell

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  • San Marino, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-point door lock system
    • Patent number 5,498,038
    • Issue date Mar 12, 1996
    • Marvin Lumber and Cedar Co.
    • Ira J. Simon
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Flush bolt mechanism for double doors
    • Patent number 5,076,620
    • Issue date Dec 31, 1991
    • Triangle Brass Manufacturing Company
    • Andrew B. Campbell
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door coordinator
    • Patent number 5,033,234
    • Issue date Jul 23, 1991
    • Triangle Brass Manufacturing Company
    • Ira J. Simon
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Flush bolt mechanism for double doors
    • Patent number 5,004,277
    • Issue date Apr 2, 1991
    • Triangle Brass Manufacturing Company
    • Andrew B. Campbell
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door-latch opener
    • Patent number 4,986,583
    • Issue date Jan 22, 1991
    • Triangle Brass Manufacturing Company
    • Andrew B. Campbell
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Well casing jack mechanism
    • Patent number 4,595,062
    • Issue date Jun 17, 1986
    • Varco International, Inc.
    • George I. Boyadjieff
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well pipe jack
    • Patent number 4,479,547
    • Issue date Oct 30, 1984
    • Varco International, Inc.
    • George I. Boyadjieff
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Jacking mechanism supported by a wellhead
    • Patent number 4,476,936
    • Issue date Oct 16, 1984
    • Varco International, Inc.
    • George I. Boyadjieff
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well casing jack mechanism
    • Patent number 4,465,131
    • Issue date Aug 14, 1984
    • Varco International, Inc.
    • George I. Boyadjieff
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Positioning of well pipe jack in a rig
    • Patent number 4,437,515
    • Issue date Mar 20, 1984
    • Varco International, Inc.
    • George I. Boyadjieff
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method of drilling and casing a well
    • Patent number 4,421,175
    • Issue date Dec 20, 1983
    • Varco International, Inc.
    • George I. Boyadjieff
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method and apparatus for drilling laterally from a well bore
    • Patent number 4,365,676
    • Issue date Dec 28, 1982
    • Varco International, Inc.
    • George I. Boyadjieff
    • E21 - EARTH DRILLING MINING