|SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (category = 'Lava') ORDER BY category ASC, date, patent, type|
Total of 1 patents found where: Category is 'Lava';
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|T / S||Patent||Date||Description||Patentee||Category||Assigned To|
|U||271,994||February 6, 1883||Electrical Insulator
Method of treating steatite to make artificial lava insulation
|STEWARD, Demetrius M.
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