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 = '248') AND (category.subclass = '615') ORDER BY patent ASC, type |
Total of 1 patents found where: Class is '248'; Subclass is '615';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1921 | ||||||
U | 1,374,029 | April 5, 1921 | Tone Foot for Phonographs A rubber base with glass insert to support phonograph legs |
PRICKETT, William H. |
Piano |
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