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| Patents Granted on 1974-12-24 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,856,114 | Dec. 24, 1974 | F. Zankl | Automatic Lubrication System | metalworking machine lubrication | |
| 3,856,372 | Dec. 24, 1974 | L. Blodee, A. Carlson | Laboratory working sink station | ||
| 3,857,051 | Dec. 24, 1974 | O.W. Ehrhardt, D.J. Seicher | Rotary Position Transducer Assembly Using Hydrostatic Bearings | metalworking machine mechanisms | |