SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (assigned_to = 'Porcelain Insulator Corp.') ORDER BY date ASC, patent, type |
Total of 1 patents found where: Assigned To is 'Porcelain Insulator Corp.';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1936 | ||||||
U | 2,033,827 | March 10, 1936 | Insulator Forming Machine Machine to form the underside and recesses between skirts and the petticoats by using a trimming device that can be adjusted to any angle and extend inward as needed |
HARVEY, Leo B. FRENCH, Lucius L. |
Manufacturing | Porcelain Insulator Corp. |
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