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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 5544786 | Volume and flow measuring apparatus Apparatus for dispensing liquids includes a body in which the liquid is initially located. A one-way valve and an outlet are located on the body in reasonable proximity to each other, the outlet communicating with a conduit able to be closed by a control ... | 08/13/1996 |
| 4974277 | Pneumatic gun A hand held pneumatic gun having an airway that is coupled to a source of compressed air, the airway communicating with an air chamber via a trigger valve. The gun includes a detachable breech that is supported in sealed engagement against the air chamber... | 12/04/1990 |
