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| All Patents in class 74/89.23 | |||||
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| Number | Date | Patentee | Title | Type | |
| 65,089 | May 28, 1867 | W. Johnson | Turning Lathe | metal lathes | |
| 137,407 | Apr. 01, 1873 | W.B. Bement | Feeding Devices for Punching Machines | punch presses | |
| 226,162 | Apr. 06, 1880 | S. Darling | Compensating Errors in Screw Dividing Engines | indexers and dividers | |
| 799,987 | Sep. 19, 1905 | C.A. Juengst | Cold-metal-sawing machine | metal sawing machines | |
| 3,605,508 | Sep. 20, 1971 | W.B. Fell | Precision threaded adjustment | machinist levels | |