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 = '417') ORDER BY date ASC, patent, type |
Total of 2 patents found where: Class is '425'; Subclass is '417';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1900 | ||||||
U | 648,341 | April 24, 1900 | Die for Pottery Ware Die for pressing out door knobs |
BOCH, John W. |
Die | |
1952 | ||||||
U | 2,582,922 | January 15, 1952 | Apparatus for Molding Articles Press that can be adapted for insulator manufacture |
CROWLEY, Henry L. HOSSENLOPP, Arthur M. |
Press | Henry L. Crowley & Co., Inc. |
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