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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (assigned_to = 'Henry B. Roach and William M. Potts') ORDER BY category DESC, date, patent, type

Total of 1 patents found where: Assigned To is 'Henry B. Roach and William M. Potts';

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T / S Patent Date Description Patentee Category Assigned To
 Lightning Rod Crest
U 665,986 January 15, 1901 Lightning Arrester
Metal lightning rod crest along the roof peaks connected to ground
WOOD, William D.
Lightning Rod Crest Henry B. Roach and William M. Potts

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