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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 = 'WIRT') AND (first_name = 'Herbert C.') ORDER BY specimen ASC, date, patent, type

Total of 3 patents found where: Last Name is 'WIRT'; First Name is 'Herbert C.';

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T / S Patent Date Description Patentee Category Assigned To
U 448,703 March 24, 1891 Support for Electric Line Wires
Hanger insulator for trolley conductor
WIRT, Herbert C.
U Specimen known 477,980 June 28, 1892 Insulator
Knob (specimens made by Akron Marble & Toy Mfg. Co.)
WIRT, Herbert C.
Knob The Thomson-Houston Electric Co.
U Specimen known 518,301 April 17, 1894 Ceiling Cleat
Cleat - 2 piece
WIRT, Herbert C.
Cleat General Electric Co.

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