|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 = 'SHOWMAN') AND (first_name = 'Robert L.') ORDER BY date ASC, patent, type|
Total of 1 patents found where: Last Name is 'SHOWMAN'; First Name is 'Robert L.';
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|T / S||Patent||Date||Description||Patentee||Category||Assigned To|
|U||2,935,553||May 3, 1960||Electrical Knob Insulator
Nail-knob with center bushing to secure nail
|SHOWMAN, Robert L.
||Knob||A. B. Chance Co.|
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