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| Patents for John Erickson | |||||
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| Number | Date | Patentee | Title | Type | |
| 499,053 | Jun. 06, 1893 | C.A. Strand | Dividers | dividers | |
| 999,104 | Jul. 25, 1911 | J. Erickson | Combined Compass, Divider, and Scribe | scribes | |