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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 = 'KEMPTON') AND (first_name = 'Willard H.') ORDER BY date ASC, patent, type

Total of 1 patents found where: Last Name is 'KEMPTON'; First Name is 'Willard H.';

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T / S Patent Date Description Patentee Category Assigned To
 1913
R 13,526 February 11, 1913 Insulator
Reissue of patent 904,069. Strain insulator to electrically disconnect the circuit.
KEMPTON, Willard H.
Strain The Johns-Pratt Co.

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