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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (category = 'Lava') ORDER BY date ASC, 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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