Goodman B. Willard

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Newport, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Expansible mandrel with an external, cable actuating winch
- Patent number 4,074,539
- Issue date Feb 21, 1978
- Charles L. Guild
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Rotary fluid supply joints for expansible mandrels
- Patent number 4,057,970
- Issue date Nov 15, 1977
- Charles L. Guild
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Expansible mandrel
- Patent number 4,026,117
- Issue date May 31, 1977
- Charles L. Guild
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING