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| Patents for John B. Margeson | |||||
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| Number | Date | Patentee | Title | Type | |
| 108,803 | Nov. 01, 1870 | J.B. Margeson | Improvement in machines for jointing stair-rails | specialty woodworking machines | |
| 144,402 | Nov. 11, 1873 | J.B. Margeson | Improvement in stair-rail-molding machines | molders | |