SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type WHERE (category = 'Heater') ORDER BY last_name ASC, first_name, date, patent, type |
Total of 1 patents found where: Category is 'Heater';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
SINDING-LARSEN, Alf | ||||||
U | 657,574 | September 11, 1900 | High Voltage Insulator Heater (electric) imbedded in insulator body |
SINDING-LARSEN, Alf |
Heater |
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