| Name | Street | Town | State | From | To |
|---|---|---|---|---|---|
| Chamberlain, Dexter H. |   | Boston, Suffolk County | Massachusetts | 1837 | 1850s |
| Patent | Date | Remarks |
|---|---|---|
| 168 | April 17, 1837 | Imporved in Fire-Arms so called harmonica pistol invented by E. Fischer and D.H. Chamberlain - see Elijah Fischer for the patent |
| 7,300 | April 23, 1850 | Imporved Method of Attaching Cylinders in Revolving Fire-Arms Patent drawing Specification Specification 2nd page |
| Contract | for |
|---|---|
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