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 = '99') ORDER BY specimen DESC, date, patent, type |
Total of 1 patents found where: Class is '99';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1854 | ||||||
U | 10,396 | January 3, 1854 | Improvement in Sealing Preserve Cans Pump to pull a vacuum on a can |
NICHOLSON, Henry C. SPRATT, James |
Can |
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