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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 = 'HOBBS') AND (first_name = 'Charles M.') ORDER BY date ASC, patent, type

Total of 1 patents found where: Last Name is 'HOBBS'; First Name is 'Charles M.';

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T / S Patent Date Description Patentee Category Assigned To
 1902
U 693,603 February 18, 1902 Third Rail Insulator for Electric Railways
Square third rail insulator with metal foot and metal cap that fit in a square hole in top and bottom of the insulator.		 HOBBS, Charles M.
 Third Rail 1/2 to Harold P. Brown

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