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Paul Thomas Ryan
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Erie, PA, US
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last 30 patents
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Patent Grant
System for automatically controlling an electrically propelled trac...
Patent number
4,301,899
Issue date
Nov 24, 1981
General Electric Company
Lloyd W. McSparran
B60 - VEHICLES IN GENERAL
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Patent Grant
Method and apparatus for transitioning diverse power sources to rai...
Patent number
3,957,236
Issue date
May 18, 1976
General Electric Company
David Reeves Phelps
B60 - VEHICLES IN GENERAL