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N. Keith Lay
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Cranberry, PA, US
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Patents Grants
last 30 patents
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Patent Grant
Method and apparatus to detect change in work tool
Patent number
6,990,390
Issue date
Jan 24, 2006
Caterpillar Inc.
Ronald O. Groth
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Patent Grant
Method and apparatus for displaying an object at an earthworking site
Patent number
6,282,477
Issue date
Aug 28, 2001
Caterpillar Inc.
Adam J. Gudat
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
System and method for communicating information for fleets of earth...
Patent number
6,037,901
Issue date
Mar 14, 2000
Caterpillar Inc.
Lonnie J. Devier
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Patent Grant
Antenna mounting apparatus
Patent number
5,410,325
Issue date
Apr 25, 1995
Caterpillar Inc.
Douglas W. Friedrich
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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Patent Application
METHOD AND APPARATUS TO DETECT CHANGE IN WORK TOOL
Publication number
20050261799
Publication date
Nov 24, 2005
Ronald O. Groth
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING