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Francis J. Waclawik
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Bristol, RI, US
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last 30 patents
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Patent Grant
Neg'ator spring powered underwater launching device
Patent number
4,185,345
Issue date
Jan 29, 1980
The United States of America as represented by the Secretary of the Navy
Francis J. Waclawik
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT