Henry C. Hall

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Green Bay, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Apron-conveyor connection for loading and conveying machines
- Patent number 4,196,800
- Issue date Apr 8, 1980
- Northwest Engineering Company
- Henry C. Hall
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Conveyor positioning structure for loading and conveying machines
- Patent number 4,011,936
- Issue date Mar 15, 1977
- Northwest Engineering Company
- Henry C. Hall
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING