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

Total of 1 patents found where: Assigned To is 'Grant Greenham';

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T / S Patent Date Description Patentee Category Assigned To
U 623,033 April 11, 1899 Lightning Rod Conductor
Lightning rod point in the form of a dragon with multiple points in the tail pointing up with numerous little points along the dragon's body that aids in collecting or dissipating the current
Lightning Rod Point 1/2 to Grant Greenham

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