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| All Patents in class 73/862.541 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,252,798 | Aug. 19, 1941 | O.B. Arnold | Dental Forceps | dental tools | |
| 2,381,988 | Aug. 14, 1945 | W.H. Shortell | Pressure indicator for hack saws | metal sawing machines | |