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Christopher L. Bohler
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North Roylton, OH, US
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last 30 patents
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Patent Grant
Method and apparatus for tri-color rail signal system with control
Patent number
7,385,481
Issue date
Jun 10, 2008
Lumination LLC
Matthew Sommers
B61 - RAILWAYS
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last 30 patents
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Patent Application
Method and apparatus for tri-color rail signal system with control
Publication number
20050151665
Publication date
Jul 14, 2005
GELcore LLC (Ohio Corporation)
Matthew Sommers
B61 - RAILWAYS
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Patent Application
Optical wave guide
Publication number
20030049007
Publication date
Mar 13, 2003
Matthew Sommers
G02 - OPTICS