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| Patents for Manzel Bros. | |||||
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| Picture | Number | Date | Patentee | Title | |
| 820,979 | May 22, 1906 | C.W. Manzel | Force Feed Lubricator | ||
 | 858,405 | Jul. 02, 1907 | C.F. Manzel | Oil Pump | |
 | D45,943 | Jun. 16, 1914 | C.W. Manzel | Tire Pump | |
 | 1,735,769 | Nov. 12, 1929 | A.W. Manzel | Stabilizer | |