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 = '110') AND (category.subclass = '148') ORDER BY assigned_to DESC, date, patent, type |
Total of 1 patents found where: Class is '110'; Subclass is '148';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
U | 117,320 | July 25, 1871 | Improvement in Chimneys Improvement in chimney for glass furnace |
OAKMAN, Samuel |
Furnace |
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