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| Patents for J. Rollin Parker | |||||
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| Number | Date | Patentee | Title | Type | |
| 655,668 | Aug. 07, 1900 | O.L. Schehl, H. Bilgram | Mechanism for feeding sheets of paper, &c. | ||
| 656,340 | Aug. 21, 1900 | H. Bilgram | Bag-machine | packing and packaging machines | |
| 955,113 | Apr. 12, 1910 | H. Bilgram | Continuous-cigarette-cutting machine | tobacco machinery | |