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 = '142') AND (category.subclass = '7') ORDER BY description DESC, date, patent, type |
Total of 1 patents found where: Class is '142'; Subclass is '7';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1922 | ||||||
U | 1,427,213 | August 29, 1922 | Lathe Lathe to cut insulator profile using a profile template |
LAPP, John S. |
Lathe | Lapp Insulator Co. |
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