|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 = 'CAMPBELL') AND (first_name = 'John H.') ORDER BY category ASC, date, patent, type|
Total of 1 patents found where: Last Name is 'CAMPBELL'; First Name is 'John H.';
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|T / S||Patent||Date||Description||Patentee||Category||Assigned To|
|U||972,994||October 18, 1910||Insulator
Insulator base curve to fit flush with matching curved top of crossarm
|CAMPBELL, John H.
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