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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (assigned_to = 'The Billings & Spencer Co.') ORDER BY date ASC, patent, type

Total of 2 patents found where: Assigned To is 'The Billings & Spencer Co.';

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T / S Patent Date Description Patentee Category Assigned To
 1895
U 535,660 March 12, 1895 Insulator
Strain in the shape of a ball		 BELCHER, Warren J.
 Strain The Billings & Spencer Co.
 1897
U 576,392 February 2, 1897 Insulator
Trolley hanger		 BILLINGS, Harry E.
 Trolley Hanger The Billings & Spencer Co.

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