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

Total of 1 patents found where: Assigned To is 'Hopewell Insulation & Mfg. Co.';

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T / S Patent Date Description Patentee Category Assigned To
 1922
U 1,426,421 August 22, 1922 Condenser Cemented Sectional Insulator
Multipart using metallic cement and metal sheath covering skirts		 SONNEBORN, Sol S.
 Multipart Hopewell Insulation & Mfg. Co.

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