| 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 = '248') AND (category.subclass = '219.3') ORDER BY date ASC, patent, type |
Total of 6 patents found where: Class is '248'; Subclass is '219.3';
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| T / S | Patent | Date | Description | Patentee | Category | Assigned To |
| 1909 | ||||||
| U | 932,570 | August 31, 1909 | Supporting Pin for Insulators Pin, metal mounted to side of pole |
PERRINE, Frederic A. C. |
Pin | |
| 1916 | ||||||
| U | 1,184,336 | May 23, 1916 | Combination Wire Support for Electric Distribution Pin bracket for poles |
FAY, John L. |
Bracket | W. N. Matthews & Brother Inc. |
| 1929 | ||||||
| U | 1,714,814 | May 28, 1929 | Pole Bracket Steel bracket for pole top that supports insulator pin on side of pole |
PLIMPTON, Bentley A. |
Bracket | Locke Insulator Corp. |
| 1941 | ||||||
| U | 2,260,917 | October 28, 1941 | Insulator Pin Steel pin with flanges to fit in top and bottom of hole drilled for larger wooden pins |
RUGGIERI, Michael |
Pin | Line Material Co. |
| 1956 | ||||||
| U | 2,757,224 | July 31, 1956 | Transposition Bracket Transposition bracket |
MILNE, Winford G. RIDGERS, Frederick G. |
Transposition | N. Slater Co., LTD |
| 1967 | ||||||
U  |
3,329,767 | July 4, 1967 | Insulator Mounting Bracket A cantilever mounting bracket for supporting line post insulators horizontally |
LINDSEY, L. E. SAMMONS, Herbert F. |
Bracket | L. E. Lindsey |
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