Erwin E. Hoffman

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Grouting system and arrangement for offshore structure
- Patent number 4,063,421
- Issue date Dec 20, 1977
- Lynes, Inc.
- Malcolm G. Coone
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Seal arrangement and flow control means therefor
- Patent number 4,063,427
- Issue date Dec 20, 1977
- Lynes, Inc.
- Erwin E. Hoffman
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING