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James K Britcher
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Santa Rosa, CA, US
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Patents Grants
last 30 patents
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Patent Grant
I-beam trolley
Patent number
7,484,461
Issue date
Feb 3, 2009
James K Britcher
A63 - SPORTS GAMES AMUSEMENTS
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last 30 patents
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Patent Application
I-Beam Trolley
Publication number
20070101894
Publication date
May 10, 2007
James K Britcher
B61 - RAILWAYS