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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 = '115K') ORDER BY date ASC, patent, type

Total of 3 patents found where: Class is '24'; Subclass is '115K';

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T / S Patent Date Description Patentee Category Assigned To
 1912
U 1,028,104 June 4, 1912 Strain Insulator
Strain type		 FLETCHER, Olive L.
 Strain The Peru Electric Mfg. Co.
 1914
U Specimen known 1,110,934 September 15, 1914 Insulator
Suspension disk		 HEWLETT, Edward M.
 Suspension General Electric Co.
 1916
U 1,199,972 October 3, 1916 Pole-Arm
A metal crossarm that can be bolted to a wooden pole		 ETTE, Charles G.
 Crossarm St. Louis Malleable Casting Co.

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