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 = '59') AND (category.subclass = '78') ORDER BY date ASC, patent, type |
Total of 2 patents found where: Class is '59'; Subclass is '78';
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 |
1917 | ||||||
U | 1,212,707 | January 16, 1917 | Detachable Connection for Chain Links Link connectors for Electrose suspension disks |
STEINBERGER, Louis |
Suspension | |
1920 | ||||||
U | 1,348,248 | August 3, 1920 | Disk Suspension Insulator Suspension, Electrose similar to Hewlett |
STEINBERGER, Louis |
Suspension |
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