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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (assigned_to = 'Harold P. Brown') ORDER BY date ASC, patent, type

Total of 1 patents found where: Assigned To is 'Harold P. Brown';

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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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