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| Patents Granted on 1975-09-02 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,902,278 | Sep. 02, 1975 | R.E. Crossman, H.R. Uhtenwoldt | Grinding Machine for Generating an Epitrochoidal Surface | profile and contour grinders | |
| 3,902,286 | Sep. 02, 1975 | C.B. Matson | Grinding Wheel Guard with Energy Absorbing Apparatus | metalworking machine mechanisms | |