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| Patents Granted on 1951-04-03 | |||||
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| Number | Date | Patentee | Title | Type | |
| D162,736 | Apr. 03, 1951 | R.W. Huxtable | Keyhole saw | metalworking tools | |
| CA-472,713 | Apr. 03, 1951 | C.W. Barker | Work-holding devices having a ball and socket as a means for universal adjustment | bench vises | |
| 2,547,364 | Apr. 03, 1951 | E.M. Boat | Gauge Head for Small Bores | ||
| 2,547,695 | Apr. 03, 1951 | R.D. Eaglesfield, A.E. Curtis, C.W. Meggenhefen | Power steering control for garden tractors or the like | ||