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W. Benjamin Harlamert
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Piqua, OH, US
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last 30 patents
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Patent Grant
Aircraft propeller with improved spinner assembly
Patent number
4,699,568
Issue date
Oct 13, 1987
Hartzell Propeller Inc.
W. Benjamin Harlamert
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Method of fabricating an aircraft propeller assembly with composite...
Patent number
4,524,499
Issue date
Jun 25, 1985
TRW Inc.
Richard V. Grimes
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Aircraft propeller assembly with composite blades
Patent number
4,407,635
Issue date
Oct 4, 1983
TRW Inc.
Richard V. Grimes
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Air craft propeller assembly with composite blades
Patent number
4,302,155
Issue date
Nov 24, 1981
Hartzell Propeller, Inc.
Richard V. Grimes
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Aircraft propeller and blade pitch control system
Patent number
4,097,189
Issue date
Jun 27, 1978
Hartzell Propeller, Inc.
W. Benjamin Harlamert
B64 - AIRCRAFT AVIATION COSMONAUTICS