Ludwig H. Seidl

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Honolulu, HI, US

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Patents Grantslast 30 patents

Information Patent Grant
Semisubmerged ship
- Patent number 4,174,671
- Issue date Nov 20, 1979
- Pacific Marine & Supply Co., Ltd.
- Ludwig H. Seidl
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT