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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 = 'SPROAT') AND (first_name = 'Clinton') ORDER BY last_name DESC, first_name, date, patent, type

Total of 1 patents found where: Last Name is 'SPROAT'; First Name is 'Clinton';

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T / S Patent Date Description Patentee Category Assigned To
 SPROAT, Clinton
TARR, Edward N.
U Specimen known 544,778 August 20, 1895 Insulator for Electric or Other Wires
CD 207.2 self-tying screw top similar to Prenzel patent (top is known but not the bottom)
SPROAT, Clinton
TARR, Edward N.
Self-tying Screw Top  

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