Frederick R. Haselton

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Cookeville, TN, US

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Patents Grantslast 30 patents

Information Patent Grant
Propeller system with electronically controlled cyclic and collecti...
- Patent number 4,648,345
- Issue date Mar 10, 1987
- Ametek, Inc.
- John L. Wham
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT