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| Patents for Henry D. Edgcomb | |||||
| Picture | Number | Date | Patentee | Title | |
| 8,870 | Apr. 13, 1852 | R. Crosby, H.D. Edgcomb | Machine for tonguing boards | ||
![]() | RE221 | Jul. 13, 1852 | H.D. Edgcomb, R. Crosby | Matcher | |