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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 = '337') AND (category.subclass = '268') ORDER BY date ASC, patent, type

Total of 2 patents found where: Class is '337'; Subclass is '268';

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T / S Patent Date Description Patentee Category Assigned To
 1905
U 789,295 May 9, 1905 Electrical Cut-Out
Porcelain knife switch or cutout.
PACKARD, William D.
Cutout  
 1918
U Specimen known 1,270,335 June 25, 1918 Fuse Device
Fuse holder or cut-out with knife insert. (See patent 1,144,732)
SCHWEITZER, Edmund O.
HERZ, Alfred
Fuse Holder  

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