"Radio has no future."
Lord Kelvin, British mathematician and physicist ; 1897
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| Number | Title | Issue Date |
| D582336 | Helicopter blade, shafts and fins | 12/09/2008 |
| D581856 | Helicopter blade, shafts and fins | 12/02/2008 |
| D581341 | Helicopter rotor, frame and fins | 11/25/2008 |
| D580845 | Helicopter | 11/18/2008 |
| D580343 | Helicopter blades, tail and fins | 11/11/2008 |
| D580344 | Helicopter rotors, blades and shafts | 11/11/2008 |
| D579403 | Helicopter propeller rotor | 10/28/2008 |
| D577392 | Flying object | 09/23/2008 |
| D577394 | Helicopter remote control | 09/23/2008 |
| 7425168 | Toy helicopter A helicopter has a main rotor with propeller blades which is driven by a rotor shaft and which is hinge-mounted to this rotor shaft. The angle between the surface of rotation of the main rotor and the rotor shaft may vary. A swinging manner on an oscillatory shaft i... | 09/16/2008 |
| 7422505 | Toy helicopter A helicopter has a main rotor with propeller blades which is driven by a rotor shaft and which is hinge-mounted to this rotor shaft. The angle between the surface of rotation of the main rotor and the rotor shaft may vary. A swinging manner on an oscillatory shaft i... | 09/09/2008 |
| D576216 | Flying object | 09/02/2008 |
| D576215 | Helicopter body | 09/02/2008 |
| 7407424 | Spatial navigation system and method for programmable flying objects A flying toy can determine its orientation and position in a space by calculating the distance to three reference points on the ground. The flying toy uses three ultrasonic transmitters as the three reference points. The distance to each ultrasonic transmitter is ca... | 08/05/2008 |
| D571708 | Plane | 06/24/2008 |
| D570924 | Remote control | 06/10/2008 |
| D568946 | Flying device | 05/13/2008 |
| 7347764 | Toy racing game A racing toy game comprises a multi-track closed circuit, a respective starting gate for each respective track of the circuit, a finishing post for each respective track of the circuit. There are multiple movable elements each respectively being for traversing a res... | 03/25/2008 |
| D561677 | Helicopter | 02/12/2008 |
| D561676 | Helicopter | 02/12/2008 |
| D561679 | Helicopter propeller | 02/12/2008 |
| D561678 | Helicopter | 02/12/2008 |
| D561085 | Helicopter propeller | 02/05/2008 |
| D561084 | Helicopter propeller | 02/05/2008 |
| D559764 | Helicopter | 01/15/2008 |
| D559763 | Flying device | 01/15/2008 |
| D559761 | Plane | 01/15/2008 |
| D559762 | Plane | 01/15/2008 |
| D559166 | Flying device | 01/08/2008 |
| D558661 | Flying device | 01/01/2008 |
| 7291054 | Toy with programmable remote control A programmable device such as a toy or novelty item and a remote controller has a keyboard which can be activated by a user to set up any one of multiple different motions of the toy. Sounds and lights can be activated to coordinate with the movement. The toy can be... | 11/06/2007 |
| D554040 | Helicopter propeller | 10/30/2007 |
| D552531 | Helicopter propeller | 10/09/2007 |
| D546269 | Helicopter propeller | 07/10/2007 |
| D545755 | Helicopter | 07/03/2007 |
| D544825 | Helicopter propeller rotor | 06/19/2007 |