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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 = 'LEE') AND (first_name = 'Leffman H.') ORDER BY date ASC, patent, type

Total of 2 patents found where: Last Name is 'LEE'; First Name is 'Leffman H.';

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T / S Patent Date Description Patentee Category Assigned To
 1931
U 1,790,273 January 27, 1931 Insulator
Wireholder with internal threaded metal core to receive a threaded shank that can be fixed to a wall		 LEE, Leffman H.
 Wireholder  
 1940
U 2,191,171 February 20, 1940 Insulator
Wireholder with lag screw		 LEE, Leffman H.
GUTHRIE, James M.
 Wireholder Line Material Co.

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