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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type WHERE (last_name = 'OHL') AND (first_name = 'Percy C.') ORDER BY date ASC, patent, type

Total of 1 patents found where: Last Name is 'OHL'; First Name is 'Percy C.';

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T / S Patent Date Description Patentee Category Assigned To
 1883
U 280,947 July 10, 1883 Insulator for Electrical Conductors
Cylindrical insulator suspended from wire to hold bar separates several wires		 OHL, Percy C.
 Cylinder  

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