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| Patents for Nels J. Billstrom | |||||
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| Number | Date | Patentee | Title | Type | |
| 740,219 | Sep. 29, 1903 | N.J. Billstrom | Carrier for gluing-clamps | clamp carriers | |
| 928,930 | Jul. 27, 1909 | N.J. Billstrom | Feeder for jointers and surface-planers | woodworking machine stockfeeding mechanisms | |
| 1,772,514 | Aug. 12, 1930 | J. Hoogerhyde | Four-way blocking clamp | clamps | |
| 2,321,644 | Jun. 15, 1943 | A.W. Redin, E.J. Billstrom | Glue clamp carrier | clamp carriers | |