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| Patents for Oscar F. Gunz | |||||
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| Number | Date | Patentee | Title | Type | |
| 490,401 | Jan. 24, 1893 | H.A. Schneekloth | Punching, shearing, and forging machine | metal punching machines | |
| 504,856 | Sep. 12, 1893 | J. Aichner | Carpenter's Vise | woodworkers vises | |