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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 = 'DUNBAR') AND (first_name = 'Robert V.') ORDER BY date ASC, patent, type

Total of 1 patents found where: Last Name is 'DUNBAR'; First Name is 'Robert V.';

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T / S Patent Date Description Patentee Category Assigned To
U 770,960 September 27, 1904 Third Rail Insulator
Third rail insulator with metal cap to hold the rail and a metal clip to secure the insulator to the metal support.
DUNBAR, Robert V.
Third Rail  

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