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Keystoker, Inc.
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Schuylkill Haven, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Automatic coal stoker
Patent number
6,647,901
Issue date
Nov 18, 2003
Keystoker, Inc.
George E. Somers
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Patent Grant
Automatic coal stoker
Patent number
4,662,290
Issue date
May 5, 1987
Keystoker, Inc.
Kenneth F. Potts
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Patents Applications
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