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| Patents Granted on 1949-09-13 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,481,499 | Sep. 13, 1949 | F. Collura | Brush and brush holder for electric drills | handheld power drills | |
| 2,481,642 | Sep. 13, 1949 | C.A. Grunschel, C.S. Bohmer | Multiple Tool Head | drill press accessories | |
| 2,481,866 | Sep. 13, 1949 | W. Petersen | Sliding-Jaw, Lever and Rack Actuated Wrench | locking pliers | |
| 2,481,936 | Sep. 13, 1949 | M.A. Lord | Device for holding and setting jointer knives | cutterhead machine accessories | |