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| Patents Granted on 1968-08-13 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,396,533 | Aug. 13, 1968 | W.C. Fischer | Speed Boost Control for an Engine Exhaust Driven Turbocharger | superchargers | |
| 3,396,570 | Aug. 13, 1968 | W.B. McCardell | Non-Generating Tooth Forming Apparatus | gear making machines | |
| 3,396,860 | Aug. 13, 1968 | W.J. Witwer, J.V. Wright | Excavator and grader or crane apparatus | excavators | |