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

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

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T / S Patent Date Description Patentee Category Assigned To
 1915
U Specimen known 1,147,498 July 20, 1915 Divided Insulator
Reversible nail-knob		 FREEMAN, Edgar H.
 Knob Trenton Porcelain Co.
 1919
D No text available 53,455 June 17, 1919 Design for Porcelain Transmitter-Mouthpiece
Transmitter mouth piece		 MAGUIRE, George E.
 Misc Trenton Porcelain Co.

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