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Helicopter rotors
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Patent number 4,496,284
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Issue date Jan 29, 1985
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Westland plc
-
Kenneth Watson
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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Helicopter rotor
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Patent number 4,477,224
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Issue date Oct 16, 1984
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Westland plc
-
Kenneth Watson
-
B64 - AIRCRAFT AVIATION COSMONAUTICS
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Freewheel devices
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Patent number 4,441,384
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Issue date Apr 10, 1984
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Westland plc
-
Kenneth Watson
-
B64 - AIRCRAFT AVIATION COSMONAUTICS
-
Helicopter rotors
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Patent number 4,436,483
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Issue date Mar 13, 1984
-
Westland plc
-
Kenneth Watson
-
B64 - AIRCRAFT AVIATION COSMONAUTICS
-
Helicopter rotors
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Patent number 4,307,996
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Issue date Dec 29, 1981
-
Westland Aircraft Limited
-
Kenneth Watson
-
B64 - AIRCRAFT AVIATION COSMONAUTICS
-
Helicopter rotor
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Patent number 4,231,705
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Issue date Nov 4, 1980
-
Westland Aircraft Limited
-
Kenneth Watson
-
B64 - AIRCRAFT AVIATION COSMONAUTICS
-
-
Helicopter rotors
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Patent number 4,129,403
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Issue date Dec 12, 1978
-
Westland Aircraft Limited
-
Kenneth Watson
-
B64 - AIRCRAFT AVIATION COSMONAUTICS