|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 = 'PURVES') AND (first_name = 'Thomas F.') ORDER BY assigned_to DESC, date, patent, type|
Total of 1 patents found where: Last Name is 'PURVES'; First Name is 'Thomas F.';
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|T / S||Patent||Date||Description||Patentee||Category||Assigned To|
|U||898,921||September 15, 1908||Insulator
Dry-spot, English screw cap design
|PURVES, Thomas F.
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