Thomas Edison obtained a patent for an electrographic vote recorder.
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| Application No. | Application Title | Issue Date |
| 20090014190 | Implement With Two Stage Folding Wing A towed agricultural implement including a center section having a chassis supported on wheels, and with a pair of selectively positionable wing assemblies extending laterally from each side. The wing assemblies include an arm assembly operably coupled at one end to the... | 01/15/2009 |