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| All Patents in class 74/23 | |||||
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| Number | Date | Patentee | Title | Type | |
| 79,542 | Jul. 07, 1868 | S. Besser | Churn | churns | |
| 106,078 | Aug. 02, 1870 | J. Robertson | Direct Acting Engine | gas and gasoline engines | |
| 2,109,233 | Feb. 22, 1938 | A.P. Jorgenson | Paint and liquid mixer | painter | |
| 2,899,870 | Aug. 18, 1959 | L. Gack | Metal Planing or Shaping Machine | metal shapers | |