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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (date >= '1846-00-00' AND date < '1847-00-00') ORDER BY category DESC, date, patent, type

Total of 1 patents found where: Year is 1846

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T / S Patent Date Description Patentee Category Assigned To
 Lightning Rod Insulator
U 4,807 October 7, 1846 Improvement in Lightning Conductors
Lighting rod and insulator
L'ANGLAIS, Rene
Lightning Rod Insulator  

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