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| Patents for Fischer Machine Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,182,362 | May 09, 1916 | W.F. Fischer | Grinding Machine | profile and contour grinders | |
| 1,343,554 | Jun. 15, 1920 | W.F. Fischer | Machine for Forming Grooves | oil grooving machines | |
| 2,339,630 | Jan. 18, 1944 | A.F. Fischer, W.F. Fischer | Milling Machine | oil grooving machines | |