SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type LEFT JOIN category ON category.patent = patent.patent AND category.type = patent.type WHERE (category.class = '432') AND (category.subclass = '205') ORDER BY last_name DESC, first_name, date, patent, type |
Total of 1 patents found where: Class is '432'; Subclass is '205';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
OAKMAN, Samuel | ||||||
U | 88,066 | March 23, 1869 | Improved Glass Furnace Improved glass furnace with blower to remove fumes and improve the draught |
OAKMAN, Samuel |
Furnace |
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