Walter J. Jankiewicz

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Encinitas, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Automatically surfacing marker buoy for lobster or crab traps or th...
- Patent number 4,262,379
- Issue date Apr 21, 1981
- Walter J. Jankiewicz
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT