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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 = 'PYLE') AND (first_name = 'Ralph D.') ORDER BY date ASC, patent, type

Total of 1 patents found where: Last Name is 'PYLE'; First Name is 'Ralph D.';

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T / S Patent Date Description Patentee Category Assigned To
 1947
U 2,421,286 May 27, 1947 Insulator Tie for Line Conductors
Preformed hard drawn wire helix to act as line wire reinforcement and tie wire		 PYLE, Ralph D.
 Tie Wire Copperweld Steel Co.

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