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| Patents Granted on 1943-05-11 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,318,659 | May 11, 1943 | S.K. Smart, R.V. Atwood | Distributor | ignition systems | |
| 2,318,854 | May 11, 1943 | E.A. Hall | Portable Valve Seat Grinding Means | valve grinding tools | |
| 2,318,938 | May 11, 1943 | F.W. Hack | Universal Machine Tool | metal lathes | |
| 2,318,970 | May 11, 1943 | G.O. Richmond | Apparatus for Testing Gears | measurement gauges | |