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 = '425') AND (category.subclass = '360') ORDER BY date ASC, patent, type |
Total of 1 patents found where: Class is '425'; Subclass is '360';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1901 | ||||||
U | 686,755 | November 19, 1901 | Machine for Making Insulating Tubes Automatic wall tube making machine. Likely assigned to the Akron Smoking Pipe Co. |
PALMER, Charles H. FENTON, Curtis |
Tube |
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