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| Patents for James O. Barrett | |||||
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| Number | Date | Patentee | Title | Type | |
| 284,997 | Sep. 18, 1883 | J.O. Barrett | Bench Vise | bench vises | |
| 286,990 | Oct. 23, 1883 | J.O. Barrett | Bench Vise | bench vises | |
| 418,637 | Dec. 31, 1889 | J.O. Barrett | Vise | bench vises | |
| 444,326 | Jan. 06, 1891 | J.O. Barrett | Vise | bench vises | |
| 453,793 | Jun. 09, 1891 | J.O. Barrett | Bench Vise | bench vises | |
| 1,575,522 | Mar. 02, 1926 | J.O. Barrett | Feed mechanism for facing machines | milling machines | |