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

Total of 1 patents found where: Assigned To is 'Doulton & Co., Ltd.';

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T / S Patent Date Description Patentee Category Assigned To
 1968
U 3,368,026 February 6, 1968 Electrical Insulator Having Improved Surface Electrical Stress Distribution
RFI prevention using two glaze coatings on suspension insulators		 VINCE, Patrick Michael
 RFI Doulton & Co., Ltd.

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