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

Total of 2 patents found where: Category is 'Non-electrical';

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T / S Patent Date Description Patentee Category Assigned To
 1884
U 296,330 April 8, 1884 Insulator for Line Wires of Mechanical Telephones
Non-electrical (!!) insulator to suspend wires of mechanical telephones!!!
GILLILAND, James F.
Non-electrical John Bennet and August Meyer
 1919
U 1,304,622 May 27, 1919 Heating Vessel
Production of glass baking dishes from Pyrex glass
SULLIVAN, Eugene C.
TAYLOR, William C.
Non-electrical Corning Glass Works

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