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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 = '24') AND (category.subclass = '115J') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '24'; Subclass is '115J';

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T / S Patent Date Description Patentee Category Assigned To
 1938
U 2,139,415 December 6, 1938 Strain or Suspension Clamp
A combined strain and suspension clamp		 MCLACHLAN, Alexander
 Suspension Jeffery Dewitt Insulator Co.

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