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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (assigned_to = 'Wisconsin Porcelain Co.') ORDER BY date ASC, patent, type

Total of 1 patents found where: Assigned To is 'Wisconsin Porcelain Co.';

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T / S Patent Date Description Patentee Category Assigned To
 1939
D Specimen known 115,530 July 4, 1939 Design for a Porcelain Insulator
Fence knob (Wisconsin Porcelain Co. president)		 STOHL, Ludwig A.
 Knob Wisconsin Porcelain Co.

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