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| Patents Granted on 1950-11-21 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,530,690 | Nov. 21, 1950 | B.N. Engle, J.B. Engle | Teeth setting machine | saw sharpening machines | |
| 2,530,955 | Nov. 21, 1950 | H.J. Gerber | Instrument for measuring, interpolating, and the like | ||
| 2,531,135 | Nov. 21, 1950 | H.W. Kulp | Adjustable Hacksaw Frame | hacksaws | |
| 2,531,285 | Nov. 21, 1950 | E.L. Manspeaker | Wrench With Self-Adjusting Jaws | locking pliers | |