| Name | Street | Town | State | From | To |
|---|---|---|---|---|---|
| Uhlinger, William P. |   | Philadelphia | Pennsylvania | 1860s |   |
| Patent | Date | Remarks |
|---|---|---|
|   |   |   |
| Contract | for |
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|   |   |
| Product |
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In the Pennsylvania, 1880 federal census William P. Uhlinger is stated as machinist,
born 1823 in Switzerland, 57 years old .32 caliber spur trigger revolver, 6-shot cylinder, 2 ¾" or 3" octagonal barrel, manufactured from 1861 to 1865 production is estimated at about 10'000 guns, most without manufacturer markings left side right side marked D.D. Cone / Washington |