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| Patents for Heesen Brothers and Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 116,440 | Jun. 27, 1871 | H. Nyland, G. Heesen, J. Heesen | Instrument for Ringing Hogs | hog ring | |
| 226,915 | Apr. 27, 1880 | J. Heesen | Hog-Ringing Tool | hog ring | |