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 = 'D26') AND (category.subclass = '129') ORDER BY description ASC, date, patent, type |
Total of 1 patents found where: Class is 'D26'; Subclass is '129';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1920 | ||||||
D | 56,715 | November 30, 1920 | Design for a Ball for Lightning Rods and Barn Ventilators Glass ball with spiralling and intersecting grooves on the surface |
THOMPSON, George E. |
Lightning Rod Ornament |
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