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| Patents for W. von Pittler | |||||
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| Number | Date | Patentee | Title | Type | |
| 485,773 | Nov. 08, 1892 | J.W. von Pittler | Lathe | metal lathes | |
| 580,195 | Apr. 06, 1897 | J.W. von Pittler | Milling-machine | milling machines | |