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| Patents Granted on 1919-04-22 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,301,159 | Apr. 22, 1919 | J. Nielander | Wrench | quick adjust wrenches | |
| 1,301,234 | Apr. 22, 1919 | W. Deuring | Metal Butt Gage | butt gauges | |
| 1,301,674 | Apr. 22, 1919 | R.B. Ferguson | Wrench | screw adjust wrenches | |
| 1,301,733 | Apr. 22, 1919 | C.W. Palmer | Valve Spring Lifter | valve spring tools | |