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

Total of 1 patents found where: Assigned To is 'Royal Electric Mfg. Co.';

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T / S Patent Date Description Patentee Category Assigned To
 1943
U 2,336,324 December 7, 1943 Strain Insulator
A rod of wood as a guy strain insulator for transmission poles		 WARREN, Pickett L.
 Strain Royal Electric Mfg. Co.

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