SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN category ON category.patent = patent.patent AND category.type = patent.type WHERE (category.class = '429') AND (category.subclass = '95') ORDER BY assigned_to ASC, date, patent, type |
Total of 1 patents found where: Class is '429'; Subclass is '95';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
The United Gas Improvement Co. | ||||||
U | 438,532 | October 14, 1890 | Insulating Appliance for Electric Batteries Battery jar and large battery rest insulator with upturned cup to hold insulating fluid. Some think the rods (a2) that hold the plates apart are the glass U-shaped ""rods"" known in the hobby, but there is no evidence of this in the patent. |
CURRIE, Stanley C. C. |
Battery | The United Gas Improvement Co. |
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