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 = '137') AND (category.subclass = '454') ORDER BY specimen ASC, date, patent, type |
Total of 2 patents found where: Class is '137'; Subclass is '454';
View a patent by clicking on the patent number. You can sort by any of the columns by clicking on the column name.
T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1919 | ||||||
U | 1,307,878 | June 24, 1919 | Reservoir For Oil Stoves Kerosene jar |
PERLICK, Robert |
HU | |
1920 | ||||||
U | 1,343,343 | June 15, 1920 | Fuel Reservoir Kerosene jar |
BRENNEN, John S. |
HU |
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