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| Patents for C. J. P. Bittner | |||||
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| Number | Date | Patentee | Title | Type | |
| 360,430 | Apr. 05, 1887 | L.F. Grammes | Cam-cylinder for knitting-machines | ||
| 409,145 | Aug. 13, 1889 | L.F. Grammes | Box-nailing machine | nailing machines | |