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| Patents for George M. D. Heard | |||||
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| Number | Date | Patentee | Title | Type | |
| 779,079 | Jan. 03, 1905 | G.M. Heard | Knock-down bit-stock | braces | |
| 810,409 | Jan. 23, 1906 | G.M. Heard | Ratchet-brace | ratchet braces | |
| 868,985 | Oct. 22, 1907 | G.M. Heard | Ratchet-brace | ratchet braces | |
| 935,256 | Sep. 28, 1909 | G.M. Heard | Ratchet-brace | ratchet braces | |
| 1,011,782 | Dec. 12, 1911 | G.M. Heard | Ratchet brace | brace chucks | |