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| Patents Granted on 1921-02-01 | |||||
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| Number | Date | Patentee | Title | Type | |
| D57,044 | Feb. 01, 1921 | C.H. Miller, J.E. Hollison | Dental Die Device | pliers | |
| 1,367,066 | Feb. 01, 1921 | J.G. McDonough | Lumber marker and grader | sawmill accessories | |
| 1,367,314 | Feb. 01, 1921 | A.F. Froussard | Tube Cleaner | tube cleaning machines | |
| 1,367,462 | Feb. 01, 1921 | E.A. Cherry | Tool for forming round dowels and rods | dowel making machines | |