| 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 = '38') ORDER BY date ASC, patent, type |
Total of 4 patents found where: Class is '142'; Subclass is '38';
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 |
| 1884 | ||||||
| U | 297,865 | April 29, 1884 | Machine for Making Insulator Pins Machine to turn wooden insulator pins |
SNEE, William |
Pin | 1/2 to Milton A. Walton |
| 1887 | ||||||
| U | 360,215 | March 29, 1887 | Automatic Lathe Insulator pin threading device |
FISHER, Frank E. |
Pin | |
| 1893 | ||||||
| U | 505,309 | September 19, 1893 | Insulator Pin and Bracket Machine Pin - machine for making wooden pins |
EISENHART, Charles A. |
Pin | |
| 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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