SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (category = 'Engraving') ORDER BY assigned_to ASC, date, patent, type |
Total of 1 patents found where: Category is 'Engraving';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
U | 108,408 | October 18, 1870 | Improvement in Cutting and Engraving Stone, Metal, Glass &c. Method of sandblashing to cut or engrave |
TILGHMAN, Benjamin C. |
Engraving |
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