|SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type WHERE (category = 'Lava') ORDER BY last_name DESC, first_name, date, patent, type|
Total of 1 patents found where: Category is 'Lava';
View a patent by clicking on the patent number. You can sort by any of the columns by clicking on the column name.
|T / S||Patent||Date||Description||Patentee||Category||Assigned To|
|STEWARD, Demetrius M.|
|U||271,994||February 6, 1883||Electrical Insulator
Method of treating steatite to make artificial lava insulation
|STEWARD, Demetrius M.
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