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| Patents Granted on 1924-05-20 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,494,340 | May 20, 1924 | C.M. Conradson | Overarm for Miliing Machines | milling machine accessories | |
| 1,494,357 | May 20, 1924 | L.D. Hildalgo | Cane Mill | sugar cane apparatus | |
| 1,495,067 | May 20, 1924 | G.W. Conklin | Hob Having Side-tooth Inserts | gear cutting tools | |
| 1,495,080 | May 20, 1924 | D.C. Klausmeyer | Self Indicating Variable Spindle Drive | metalworking variable speed mechanisms | |