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| Patents Granted on 1920-09-21 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,353,246 | Sep. 21, 1920 | A.W. Kiefer | Pipe Wrench | pipe wrenches | |
| 1,353,608 | Sep. 21, 1920 | R.H. Parker | Scew Thread Gage | measurement gauges | |
| 1,353,616 | Sep. 21, 1920 | J. Shuff | Woodworking sticker or molder-head | cutterheads | |
| 1,353,656 | Sep. 21, 1920 | C.L. Heisler | Fluid Operated Motor | steam turbines | |
| 1,353,682 | Sep. 21, 1920 | L. Viezzi | Scribing Attachment for Square | marking gauges | |