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

Total of 2 patents found where: Assigned To is 'Illinois Electric Porcelain Co.';

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T / S Patent Date Description Patentee Category Assigned To
 1915
U Specimen known 1,127,776 February 9, 1915 Insulator
Reversible nail-knob		 KETTRON, Charles W.
 Knob Illinois Electric Porcelain Co.
 1922
U 1,429,079 September 12, 1922 Split Insulator
Knob		 KETTRON, Charles W.
 Knob Illinois Electric Porcelain Co.

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