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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 = '228.5') ORDER BY date ASC, patent, type

Total of 2 patents found where: Class is '248'; Subclass is '228.5';

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T / S Patent Date Description Patentee Category Assigned To
 1909
U Specimen known 928,010 July 13, 1909 Cross Arm Fitting and Insulator Support
Steel bracket that fits and clamps around the crossarm, specimens manufactured by St. Louis Malleable Casting Co., St. Louis, MO		 WAY, Sylvester B.
 Bracket  
 1920
U 1,333,420 March 9, 1920 Insulator Bracket
Bracket that fits around crossarm to support egg-shaped insulators		 ILES, Charley S.
 Bracket  

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