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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 = 'BETTINI') AND (first_name = 'David') ORDER BY date ASC, patent, type

Total of 1 patents found where: Last Name is 'BETTINI'; First Name is 'David';

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T / S Patent Date Description Patentee Category Assigned To
 1933
U 1,904,608 April 18, 1933 Insulator Finishing Brushing Machine
Machine to grind down interlinking passages in a semi-dry insulator body for metal fittings		 BETTINI, David
 Manufacturing Locke Insulator Corp.

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