John M. Des Lierres

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Rolling Hills, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Underwater flowline connector
- Patent number 4,371,291
- Issue date Feb 1, 1983
- Smith International, Inc.
- Charles D. Morrill
- E21 - EARTH DRILLING MINING
Information Patent Grant
Connection of underwater lines
- Patent number 4,329,085
- Issue date May 11, 1982
- Smith International, Inc.
- Charles D. Morrill
- E21 - EARTH DRILLING MINING