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| All Patents in class 74/553 | |||||
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| Number | Date | Patentee | Title | Type | |
| 17,868 | Jul. 28, 1857 | W.N. Clark | Auger-Handle Fastening | auger handles | |
| 1,672,128 | Jun. 05, 1928 | D.C. Klausmeyer | Upright Drill Depth Gauge | metalworking machine mechanisms | |