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In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 7707765 | Fishing rod fixing device A fishing rod fixing device includes a base that is supported by two suction cups for easy and efficient attachment of the device to a smooth fixture surface. A seat is rotatably mounted on the base and is releasably set any desired horizontal direction by an adjust... | 05/04/2010 |
| 7673914 | Automatic alert device for suction cup An automatic alert device is provided for a suction cup, including a pump and a suction cup positionable on an object to be handled. The pump is operable to drive air out of the suction cup thereby inducing suction force on the object to be handled. When the suction... | 03/09/2010 |
| 7641452 | Manually operated vacuum pump and refill device A manually operated vacuum pump and refill device includes a body on top with a vacuum pump attached, and a lower portion of the body is arranged with an elastic adapter. The adapter has a central channel in communication with the body. The body includes an inlet in... | 01/05/2010 |
| 7621375 | Pneumatic grease applicator Disclosed is a pneumatic grease applicator includes a receptacle in which a retainer that forms a tubular axle selectively fit into a bearing to which grease is to be applied and a presser that defines a bore fit over the axle are movably received. The presser forms... | 11/24/2009 |
| 7467690 | Lubrication device for bearings and other mechanical parts Disclosed is a pneumatic grease applicator includes a receptacle in which a retainer that retains a bearing to which grease is to be applied and a presser that securely holds the presser on the retainer are movably received. The receptacle has a bottom nozzle throug... | 12/23/2008 |
| 7367366 | Pumping device A pumping device includes a container having a cover structure. A piston is movably received in the container and is manually operable. The cover structure has an air inlet valve and a slide switch, which, when properly set, allow air to be sucked into or expelled o... | 05/06/2008 |
| 7334529 | Metal support base A support base is made of metal by die casting for supporting heavy articles above for example ground or floor, and includes a rectangular flat grid plate having four corners from which pillars extend. Intermediate pillars extend from middle positions of long edge f... | 02/26/2008 |
| 7270357 | Distance and orientation adjustable suction device A distance and orientation adjustable suction device includes two suction cups and a controlling mechanism connected between the suction cups. Each suction cup has a rotatable mounting block. The controlling mechanism includes a main body forming a knuckle joint wit... | 09/18/2007 |
| D510853 | Suction cup | 10/25/2005 |
