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Lord Kelvin, British mathematician and physicist ; 1897
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| Number | Title | Issue Date |
| 7594843 | Toy having an electronic interactive device that is responsive to a rotated and launched object A toy comprises a housing connected with a launcher to rotate and launch an object. The launcher comprises a driving element to form a drive connection with a receiving element on the object. The launcher is connected with a launcher rotating system, which imparts a... | 09/29/2009 |
| 7500898 | Toy for rotating and launching an object A toy comprises a housing connected with a launcher to rotate and launch an object. The launcher comprises a driving element to form a drive connection with a receiving element on the object. The launcher is connected with a launcher rotating system, which imparts a... | 03/10/2009 |
| 6997770 | Air pressure projectile launcher An air pressure projectile launcher toy comprising at lease one soft foam projectile and a telescopic tube assembly, adapted on one end for releasably securing a projectile, and capable of generating a high speed compressed air stream, which is buffered by a large a... | 02/14/2006 |
| 6921313 | Illuminated flying toy An illuminated flying toy with an improved propeller that can bring the flying toy to high altitude. The illuminated flying toy provides a dazzling and fantastic effect when played at night. The illuminated flying toy mainly contains a propeller and a launcher. The ... | 07/26/2005 |
| 6742509 | Ring airfoil launching system An airfoil launching system having a rod with a structure attached to a first end of the rod. A pusher holds a ring airfoil and has a sufficient coefficient of friction that the ring airfoil will generally rotate with the pusher and is rotatably and slidably mounted... | 06/01/2004 |
| 6599161 | Airfoil launching system An airfoil launching system having a rod with a structure attached to a first end of the rod. A pusher holds a ring airfoil and has a sufficient coefficient of friction that the ring airfoil will generally rotate with the pusher and is rotatably and slida... | 07/29/2003 |
| 6461212 | Automatic start control and clutch of toy engine powered by high pressure gas A starting device of a toy engine comprises a spring, a starting piece, and a unidirectional bevel gear. The motion of the spring between the two fulcrums serves to ensure that the control rod is kept securely in place at a disengaging position and an eng... | 10/08/2002 |
| 5830029 | Toy bow-in-arrow bubble shooter system A toy bow-n-arrow bubble shooter system including a bow. The bow has a frame with a cylindrical member centrally interconnected thereto and an elastomeric string. The cylindrical member has a channel therein and a plunger member positioned within the chan... | 11/03/1998 |
| 5628620 | Main rotor system for helicopters A main rotor is provided for use in a rotary winged model aircraft. The main rotor includes a rotor hub assembly rotatable about a vertical axis and at least two main rotor blades. Each of the main rotor blades extends in a radial direction from the rotor... | 05/13/1997 |
| 5545068 | Propeller launching toy A propeller launching toy includes a pistol-shaped housing having a movable trigger and a rotatable winding collar. A main shaft is rotatably supported within the housing and is operatively coupled to the winding collar. A main spring is coupled to the ma... | 08/13/1996 |
| 4674986 | Model flying vehicle with smooth landing Disclosed is model flying vehicle wherein the main wing returns from the slanting position (that is, with a proper elevation angle) to the flat position when the power is disengaged, thereby ensuring stable and smooth landing without impact or damage to t... | 06/23/1987 |
| 4165580 | Flying toy A flying toy having disc- or dish-shaped configuration and provided with a polygonal hole in the bottom surface of the flying toy at a position offset from the center thereof. The driving shaft of a launching device is inserted into the hole to rotate and... | 08/28/1979 |