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 = '408') AND (category.subclass = '200') ORDER BY specimen ASC, date, patent, type |
Total of 1 patents found where: Class is '408'; Subclass is '200';
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 |
1944 | ||||||
U | 2,341,309 | February 8, 1944 | Cutting Tool Cutting tool to remove clay from inside a bushing |
BETTINI, David Joseph |
Cutting Tool | Locke Insulator Corp. |
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