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| Patents Granted on 1927-08-23 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,639,756 | Aug. 23, 1927 | G.D. Sundstrand | Lathe | ||
| 1,639,831 | Aug. 23, 1927 | J. Zilliox | Wrench | wrench adjustment locks | |
| 1,639,958 | Aug. 23, 1927 | C.H. Norton | Centerless Grinding Machine | grinding machines | |
| 1,639,965 | Aug. 23, 1927 | W.F. Priest | Alarm gauge | steam pressure gauges | |
| 1,639,995 | Aug. 23, 1927 | W.F. Groene | Tool Feed for Machine Tools | metalworking machine mechanisms | |