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| Patents for John S. Fray | |||||
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| Number | Date | Patentee | Title | Type | |
| 130,709 | Aug. 20, 1872 | J.S. Fray | Bit-brace | brace chucks | |
| 219,574 | Sep. 16, 1879 | J.S. Fray | Bit-brace | braces | |
| 225,768 | Mar. 23, 1880 | N. Spofford | Bit-brace | brace chucks | |
| 300,771 | Jun. 24, 1884 | J.S. Fray | Bit-stock | ||
| 304,519 | Sep. 02, 1884 | J.S. Fray | Bit-brace | ||
| 395,889 | Jan. 08, 1889 | J.S. Fray | Ratchet-brace | ||