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| Patents for Clarence J. Howard | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,373,816 | Apr. 05, 1921 | C.J. Howard | Speed-Changing Mechanism for Metal-Working Machines | ||
| 1,976,227 | Oct. 09, 1934 | C.J. Howard | Gear Pump | rotary pumps | |