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| Patents for Edward G. Parkhurst | |||||
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| Number | Date | Patentee | Title | Type | |
| 118,481 | Aug. 29, 1871 | E.G. Parkhurst | Improvements in Machinery for Feeding Wire to Machines | metalworking machine mechanisms | |
| 150,253 | Apr. 28, 1874 | E.G. Parkhurst | Profiling-Machines | profiling machines | |
| 231,607 | Aug. 24, 1880 | E.G. Parkhurst | Machine-gun | firearms | |
| 259,040 | Jun. 06, 1882 | E.G. Parkhurst | Ammunition-box | ||