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 = '408') AND (category.subclass = '208') ORDER BY date ASC, patent, type |
Total of 1 patents found where: Class is '408'; Subclass is '208';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1887 | ||||||
U | 373,393 | November 15, 1887 | Tool for Cutting Seats for Insulator Attachments for Musical Instruments Tool for cutting circular slot in piano legs in order to insert the piano insulator. |
DEWING, James BENNETT, Delbert F. |
Piano Insulator |
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