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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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