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| Patents for F. E. Zerbe | |||||
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| Number | Date | Patentee | Title | Type | |
| 210,815 | Dec. 10, 1878 | D. Stallard, Jr. | Improvement in barrel-hoop stretchers | barrel making machines | |
| 244,290 | Jul. 12, 1881 | J.C. Pennington, E.J. Pennington | Reciprocating cylinder-head for planing-machines | wood planers | |