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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (category = 'Wood/third Rail') ORDER BY date ASC, patent, type

Total of 1 patents found where: Category is 'Wood/third Rail';

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T / S Patent Date Description Patentee Category Assigned To
 1886
U 348,792 September 7, 1886 Electric Tramway System
Wooden insulators for third rail and other various designs for electric tramway
SMITH, Michael Holroyd
Wood/third Rail  

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