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| All Patents in class 261/78.2 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 167,738 | Sep. 14, 1875 | O.S. French, D. June, R. Brayton | Spark-Arrester | |
| 2,762,457 | Sep. 11, 1956 | R.H. Andresen, H.A. Andresen | Apparatus for Oil Mist Lubrication | ||
| 2,835,267 | May 20, 1958 | R.H. Andresen, H.A. Andresen | Air Line Lubricator | ||