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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 = 'KEITHLY') AND (first_name = 'Willie C.') ORDER BY date ASC, patent, type

Total of 1 patents found where: Last Name is 'KEITHLY'; First Name is 'Willie C.';

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T / S Patent Date Description Patentee Category Assigned To
U 579,725 March 30, 1897 Insulator and Holder for Electric Railways
Trolley hanger insulator suspended from a cable. It is composed of an inverted insulator cup and a metal cover.
KEITHLY, Willie C.
Trolley Hanger  

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