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| Patents Granted on 1974-10-01 | |||||
| Number | Date | Patentee | Title | Type | |
| 3,838,615 | Oct. 01, 1974 | W.L. Diffenderfer, F.R. McFarland | OIL FILTER WRENCH | automotive tools | |
| 3,838,620 | Oct. 01, 1974 | R.A. Baldrey, F.E. Allen | Air strain mechanism for bandmill | band sawmills | |