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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