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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 = 'PRATT') AND (first_name = 'Elbert H.') ORDER BY date ASC, patent, type

Total of 1 patents found where: Last Name is 'PRATT'; First Name is 'Elbert H.';

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T / S Patent Date Description Patentee Category Assigned To
 1950
U 2,533,621 December 12, 1950 Electric Insulator
Spool type electric fence insulator with ribs and flat area for metal bracket to attach.		 PRATT, Elbert H.
CHRISTIE, Ralph C.
 Electric Fence  

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