SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type WHERE (category = 'Drip') ORDER BY last_name DESC, first_name, date, patent, type |
Total of 1 patents found where: Category is 'Drip';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
HEMINGRAY, Ralph G. GILL, James C. | ||||||
U | 496,652 | May 2, 1893 | Insulator for Telegraph Wires Drip points Patent was owned by Hemingray Glass Co. |
HEMINGRAY, Ralph G. GILL, James C. |
Drip |
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