Andrew Grzelka

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Gautier, MS, US

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Patents Grantslast 30 patents

Information Patent Grant
Adjustable locking chock system
- Patent number 4,538,938
- Issue date Sep 3, 1985
- Litton Systems, Inc.
- Andrew Grzelka
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Self-locking chock system for a jack-up rig unit
- Patent number 4,505,616
- Issue date Mar 19, 1985
- Litton Systems, Inc.
- Andrew Grzelka
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING