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

Total of 1 patents found where: Assigned To is 'Hern, Prendergast, Oakman';

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T / S Patent Date Description Patentee Category Assigned To
 1887
U 362,477 May 3, 1887 Electric Police Call Alarm Box
Police call alarm box with a key
COUGHLIN, John J.
Alarm Box 3/4 to Hern, Prendergast, Oakman

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