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

Total of 1 patents found where: Category is 'Paraffin';

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T / S Patent Date Description Patentee Category Assigned To
U 51,935 January 9, 1866 Improvement in Insulating Telegraph Wires
Paraffin and rubber insulated wire
ELY, Alfred B.

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