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| Patents Granted on 1947-07-22 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,424,347 | Jul. 22, 1947 | J.C. Wilson | Machine Tool for Cutting Surfaces of Irregular Shape | surface grinders | |
| 2,424,473 | Jul. 22, 1947 | J.M. Luers | Cutting-Off Blade | lathe tools | |
| 2,424,497 | Jul. 22, 1947 | J.C. Nilsson | Bore Gauge | measurement gauges | |
| 2,424,505 | Jul. 22, 1947 | B.P. Rupersburg | Method of and apparatus for operating hot cathode lamps | ||
| 2,424,524 | Jul. 22, 1947 | W.H. Weimer | Boring machine | boring and turning machines | |