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| Patents for Wilmarth & Morman Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,391,034 | Sep. 20, 1921 | A. Williams | Drill-holder | drill sharpening machines | |
| 1,475,614 | Nov. 27, 1923 | A. Williams | Head adjustment for grinding machines | surface grinders | |
| 1,558,525 | Oct. 27, 1925 | A. Williams | Grinding machine | surface grinders | |
| 1,596,701 | Aug. 17, 1926 | A. Williams | Truing device for grinding wheels | ||
| 1,596,702 | Aug. 17, 1926 | A. Williams | Micrometer adjustment for worktables of grinding machines | surface grinders | |