TREA

Robert G. Lau

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  • Anoka, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Frame assembly for electrical enclosure
    • Patent number 6,118,073
    • Issue date Sep 12, 2000
    • Hoffman Enclosures, Inc.
    • Robert G. Lau
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Seismic subframe for electrical enclosure
    • Patent number 6,036,290
    • Issue date Mar 14, 2000
    • Hoffman Enclosures, Inc.
    • John J. Jancsek
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Enclosure hinge
    • Patent number 5,722,121
    • Issue date Mar 3, 1998
    • Federal-Hoffman, Inc.
    • Robert Gerald Lau
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Hinge system
    • Patent number 5,666,695
    • Issue date Sep 16, 1997
    • Federal-Hoffman, Inc.
    • Viktor J. Jegers
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Locking door handle
    • Patent number 5,664,448
    • Issue date Sep 9, 1997
    • Federal-Hoffman, Inc.
    • David A. Swan
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Latch system
    • Patent number 5,642,909
    • Issue date Jul 1, 1997
    • Federal-Hoffman, Inc.
    • David A. Swan
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Enclosure latch
    • Patent number 5,509,703
    • Issue date Apr 23, 1996
    • Federal-Hoffman, Inc.
    • Robert G. Lau
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Cabinet with overlapping doors
    • Patent number 5,465,528
    • Issue date Nov 14, 1995
    • Federal-Hoffman, Inc.
    • Craig E. Schinzel
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Combined handle and lock unit
    • Patent number D360345
    • Issue date Jul 18, 1995
    • Federal-Hoffman, Inc.
    • David A. Swan
    • D08 - Tools and hardware
  • Information Patent Grant

    Restructurable enclosure with multi-purpose mounting blocks
    • Patent number 5,407,263
    • Issue date Apr 18, 1995
    • Federal-Hoffman, Inc.
    • Trent T. Jones
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Sub-panel guide system for electrical enclosure
    • Patent number 5,292,189
    • Issue date Mar 8, 1994
    • Federal-Hoffman, Inc.
    • Robert G. Lau
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Low-profile enclosure handle
    • Patent number D343347
    • Issue date Jan 18, 1994
    • Federal-Hoffman, Inc.
    • Robert G. Lau
    • D08 - Tools and hardware
  • Information Patent Grant

    Multiple point cam-pinion door latch
    • Patent number 5,172,944
    • Issue date Dec 22, 1992
    • Federal-Hoffman, Inc.
    • Terry L. Munich
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES