SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type WHERE (category = 'Mica') ORDER BY last_name ASC, first_name, date, patent, type |
Total of 1 patents found where: Category is 'Mica';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
DYER, Arthur H. S. | ||||||
U | 483,646 | October 4, 1892 | Process of Making Artificial Mica Sheets for Electrical Insulation Molding process to make artificial sheets of mica |
DYER, Arthur H. S. |
Mica | Eugene Munsell & Co. |
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