| 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 = '256') AND (category.subclass = '55') ORDER BY date ASC, patent, type |
Total of 5 patents found where: Class is '256'; Subclass is '55';
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 |
| 1902 | ||||||
| U | 713,904 | November 18, 1902 | Insulator for Telegraph Lines Self-tying screw top |
MURRAY, John E. |
Self-tying Screw Top | |
| 1904 | ||||||
| U | 753,398 | March 1, 1904 | Cleat for Electric Wiring Knob - 2-piece with base cut at an angle |
HUNT, Emory C. |
Knob | 1/2 to Charles Snyder |
| 1905 | ||||||
| U | 789,573 | May 9, 1905 | Insulator Self-tying with metal screw plug in top of crown |
STEINBERGER, Louis |
Self-tying Miscellaneous | |
| 1909 | ||||||
| U | 931,480 | August 17, 1909 | Wire Bender Hand tool to quickly bend tie-wire and secure it around the insulator. |
PRATT, John Sedgwick |
Wire Bender/tie-wire | |
| 1912 | ||||||
| U | 1,032,153 | July 9, 1912 | Insulator Self-tying miscellaneous |
NEMES, Mike |
Self-tying Miscellaneous | |
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