Gregory J. Armfield

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New Castle, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Laminated loop dampening and shield structure
- Patent number 5,957,073
- Issue date Sep 28, 1999
- Schuyler Rubber Company, Inc.
- Dennis P. Kerber
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
Shouldered ramp for streetwork cover and method of use
- Publication number 20020184718
- Publication date Dec 12, 2002
- Gregory J. Armfield
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES