Peratrovich, Nottingham & Drage, Inc.

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Anchorage, AK, US

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Patents Grantslast 30 patents

Information Patent Grant
Earth retaining system such as a sheet pile wall with integral soil...
- Patent number 7,488,140
- Issue date Feb 10, 2009
- Peratrovich, Nottingham & Drage, Inc.
- William Dennis Nottingham
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Earth retaining system such as a sheet pile wall with integral soil...
- Patent number 7,018,141
- Issue date Mar 28, 2006
- Peratrovich, Nottingham & Drage, Inc.
- William Dennis Nottingham
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Earth retaining system such as a sheet pile wall with integral soil...
- Patent number 6,715,964
- Issue date Apr 6, 2004
- Peratrovich, Nottingham & Drage, Inc.
- William Dennis Nottingham
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Strand bridge
- Patent number 6,530,101
- Issue date Mar 11, 2003
- Peratrovich, Nottingham & Drage, Inc.
- William Dennis Nottingham
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Floating containment boom
- Patent number 5,102,261
- Issue date Apr 7, 1992
- Peratrovich, Nottingham & Drage, Inc.
- William F. Gunderson
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

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Patents Applicationslast 30 patents

Information Patent Application
EARTH RETAINING SYSTEM SUCH AS A SHEET PILE WALL WITH INTEGRAL SOIL...
- Publication number 20090232607
- Publication date Sep 17, 2009
- Peratrovich, Nottingham & Drage, Inc.
- William Dennis Nottingham
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Earth retaining system such as a sheet pile wall with integral soil...
- Publication number 20060193701
- Publication date Aug 31, 2006
- Peratrovich, Nottingham & Drage, Inc.
- William Dennis Nottingham
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Earth retaining system such as a sheet pile wall with integral soil...
- Publication number 20040208708
- Publication date Oct 21, 2004
- Peratrovich, Nottingham & Drage, Inc.
- William Dennis Nottingham
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING