Nail-knob with matching caming grooves. Rotating cap tightens it against the insulated covered wire and the screw or nail secures the cap in that position.
BROWN, George C.
| SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type WHERE (last_name = 'BROWN') AND (first_name = 'George C.') ORDER BY date ASC, patent, type |
Total of 1 patents found where: Last Name is 'BROWN'; First Name is 'George C.';
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| T / S | Patent | Date | Description | Patentee | Category | Assigned To |
| 1891 | ||||||
| U |
464,770 | December 8, 1891 | Clamp for Electric Wires Nail-knob with matching caming grooves. Rotating cap tightens it against the insulated covered wire and the screw or nail secures the cap in that position. |
GREEN, John Jay BROWN, George C. |
Knob | |
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