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| Patents for North Brothers Manufacturing Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| D103,676 | Mar. 23, 1937 | G.O. Leopold, T.J. Fegley | Design for a Screw Driver | screwdrivers | |
| 2,126,626 | Aug. 09, 1938 | G.O. Leopold, T.J. Fegley | Push drill | hand drills | |
| 2,174,461 | Sep. 26, 1939 | G.O. Leopold, T.J. Fegley | Ice breaker | ||
| 2,195,363 | Mar. 26, 1940 | G.O. Leopold, T.J. Fegley | Ice crusher | ||
| 2,550,629 | Apr. 24, 1951 | A. Weiz | Strut means for adjustable angle vises | vise mechanisms | |