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

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

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T / S Patent Date Description Patentee Category Assigned To
 1908
U 908,136 December 29, 1908 Third Rail Insulator
Third rail insulator (Ohio Brass)
RANDOLPH, Leonard M.
Third Rail Essex Co.
 1909
U 922,951 May 25, 1909 Third Rail Insulator
Conical shaped third rail insulator.
RANDOLPH, Leonard M.
Third Rail Essex Co.

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