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| Patents for Manzel Bros. | |||||
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| Number | Date | Patentee | Title | Type | |
| 820,979 | May 22, 1906 | C.W. Manzel | Force Feed Lubricator | tool lubricators | |
| 858,405 | Jul. 02, 1907 | C.F. Manzel | Oil Pump | oil pumps | |
| D45,943 | Jun. 16, 1914 | C.W. Manzel | Tire Pump | air pumps | |
| 1,735,769 | Nov. 12, 1929 | A.W. Manzel | Stabilizer | body and axle parts | |