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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (assigned_to = 'W. Leon Sell/Ernest E. Pettit/R. Don Sell') ORDER BY date ASC, patent, type

Total of 1 patents found where: Assigned To is 'W. Leon Sell/Ernest E. Pettit/R. Don Sell';

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T / S Patent Date Description Patentee Category Assigned To
 1977
U 4,047,279 September 13, 1977 Upgrading Current Distribution Insulators
Miscellaneous insulator with male screw to receive existing insulator for upgrading		 PETTIT, Ernest E.
 Miscellaneous W. Leon Sell/Ernest E. Pettit/R. Don Sell

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