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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN category ON category.patent = patent.patent AND category.type = patent.type WHERE (category.class = '248') AND (category.subclass = '278.1') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '248'; Subclass is '278.1';

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T / S Patent Date Description Patentee Category Assigned To
 1954
U 2,667,530 January 26, 1954 Lead-in Wire Anchoring Fixture
Bracket attached to a building to support three lead in wires and allow the drop wires to enter the building through a weatherhead.		 TRUNNELL, Harold K.
 Bracket  

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