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...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7394978 | Imaging device Usability of device is improved for an imaging device that images a target object mounted on a table. In order to hold a camera head 120 and an illumination unit 130 with respect to a table 110 on which a target object is mounted, an imaging dev... | 07/01/2008 |
| 7361095 | Rocking horse stand A stand for a rocking horse or other toy includes a plurality of legs, each with a top end and a bottom end. A foot is attached to the bottom end of each leg. Each foot has a top end, a bottom rim, and an outer wall defining an interior and generally extending from ... | 04/22/2008 |
| 7308747 | Method of positioning a platform relative to a fixed frame and a small scale positioning device A small-scale positioning device employing a platform, a levering mechanism and a floating actuator device. The platform is movably attached to a fixed frame by a lever, a pair of levers, or more. The floating actuator device is coupled between at least one lever an... | 12/18/2007 |
| 7197844 | Gun support A bipod type gun support has a generally cylindrical hub that defines a barrel-receiving bore that can be slipped onto and off of the muzzle end of the gun. Downwardly diverging legs are integrally joined to opposite sides of the hub to present a one-piece construct... | 04/03/2007 |
| 6843574 | Gimbaled micromechanical rotation system The present invention is directed towards apparatuses for rotating a gimbaled platform with rotatable actuators. Gimbal springs comprised of component springs with compliant axes that intersect at a nonzero angle are coupled to the gimbaled platform. Preferably, the... | 01/18/2005 |
| 6646779 | Strain-isolated stage mirror A strain-isolated mirror is made from a substrate having first and second body portions. First and second connecting portions extend across a gap between the first body portion and the second body portion. A first flexural hinge on the first second connec... | 11/11/2003 |
| 6467761 | Positioning stage A positioning device and method for positioning objects is provided. The device includes a movable stage and a pair of levers. The pair of levers is symmetric about a first axis of the movable stage. Additionally, the pair of levers is parallel to a secon... | 10/22/2002 |
| 6390223 | Engine/transmission combination mounting system A mounting arrangement for an engine/transmission combination in a front wheel drive vehicle including a bearing support at either end of the engine/transmission and a pair of elongated torque struts between the vehicle structure and the engine/transmissi... | 05/21/2002 |
| 5390878 | Strain isolator assembly An isolator assembly for use in minimizing mechanical thermal and/or vibrationary strains between two structures is disclosed. The isolator assebly generally includes two spaced base members which are interconnected by a plurality of equally spaced rods. ... | 02/21/1995 |
| 4997158 | Mechanical strain isolator mount A mechanical strain isolator mount 10 is provided to preserve the alignmental integrity of alignment sensitive instrument 25. Alignment sensitive instrument 25 is mounted on rectangular base 11. Flexural legs 15, 16, and 17 are connected at their proximal... | 03/05/1991 |
| 4828216 | Floating knee pivot suspension A vibration compensating vehicle seat suspension combines the vertical movement of the parallelogram suspension with the pivoting of the knee-pivot suspension. Three embodiments all include a horizontal pivot for pivoting of the seat, and a sublinkage for... | 05/09/1989 |
| 4328944 | Load supporting device A deflecting load supporting apparatus comprising a base; a load receiving lever element pivotably mounted onto said base; at least one buckling element disposed in engagement with said base and said load receiving lever element so as to undergo a predete... | 05/11/1982 |
| 4241894 | Seat suspension apparatus A seat suspension apparatus comprises a pair of parallel link assemblies and a pair of balance springs. In order to reduce the elevation of the seating surface relative to a support base and to assure a stabilized suspension when the seating surface is de... | 12/30/1980 |
| 3942751 | Mount for hospital communications system There is provided an improved support for a hospital communication system characterized by a wall mount, an articulated arm secured to the wall mount at one end, and at the other end to a communicator mount, the latter being attached to a communicator uni... | 03/09/1976 |
