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Darryl R. Immel
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Waterford, WI, US
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last 30 patents
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Patent Grant
Dumping system for a dragline bucket
Patent number
5,752,334
Issue date
May 19, 1998
Harnischfeger Corporation
Darryl R. Immel
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Rigging assembly for an excavating bucket
Patent number
5,657,559
Issue date
Aug 19, 1997
Harnischfeger Corporation
Darryl R. Immel
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Pin-retaining structure and method for retaining a pin
Patent number
5,577,858
Issue date
Nov 26, 1996
Harnischfeger Corporation
Rikos A. Kasim
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Apparatus and method for attaching a digging tooth tip
Patent number
5,435,084
Issue date
Jul 25, 1995
Harnischfeger Corporation
Darryl R. Immel
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Assembly and method for tooth tip retention
Patent number
5,410,826
Issue date
May 2, 1995
Harnischfeger Corporation
Darryl R. Immel
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING