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| Patents for Eugene Barker | |||||
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| Number | Date | Patentee | Title | Type | |
| 874,724 | Dec. 24, 1907 | E. Barker | Clamp Bar | bar and pipe clamps | |
| 874,725 | Dec. 24, 1907 | E. Barker | Clamp Bar | bar and pipe clamps | |
| 878,491 | Feb. 11, 1908 | E. Barker | Gluing Clamp | clamps | |
| 878,492 | Feb. 11, 1908 | E. Barker | Clamp Bar | clamps | |
| 881,530 | Mar. 10, 1908 | E. Barker | Gluing Clamp | clamps | |