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| Patents Granted on 1951-09-11 | |||||
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| Number | Date | Patentee | Title | Type | |
| D164,505 | Sep. 11, 1951 | J.V. Larson | Self-Adjusting Wrench Or Similar Article | pipe wrenches | |
| 2,567,167 | Sep. 11, 1951 | J.C. Drader | Hob | gear cutting tools | |
| 2,567,517 | Sep. 11, 1951 | W.C. Keebler | Vise and angle sine plate | angle bars and angle plates | |
| 2,567,641 | Sep. 11, 1951 | M.W. Hazelton | Hydraulic work hold-down or clamp | hydraulic apparatus | |
| 2,567,886 | Sep. 11, 1951 | A.W. Mall | Adjustable bumper attachment for chain saws | handheld chainsaws | |