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| Patents Granted on 1950-02-21 | |||||
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| Number | Date | Patentee | Title | Type | |
| D157,404 | Feb. 21, 1950 | M.E. Nowak | Marking Gauge | marking gauges | |
| 2,498,397 | Feb. 21, 1950 | W.J. Daly | Tool for sheet metal workers | ||