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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 |
| 6604500 | Resin intake manifolds and manufacturing process thereof A resin intake manifold includes a chamber section 12 having an intake air inlet pipe 11, and a plurality of outlet pipes 13 which connect cylinders 32 of an internal combustion engine to the chamber section 12. The resin intake manifold is made by coupli... | 08/12/2003 |
| 6465668 | Method for producing fluoroaryl metal compound A method for easily and inexpensively producing and purifying a fluoroaryl metal compound such as bis(pentafluorophenyl)dialkyltin which is less colored and has no impurities is provided. Hydrocarbon magnesium halide is reacted with fluoroaryl halide in a... | 10/15/2002 |
| 6433962 | Limited initial special use tape cassette with unlimited conventional use thereafter A limited use tape cassette comprising a housing enclosing a tape spooled to pass from a rotatable supply reel to a rotatable take-up reel during tape play, and from the take-up reel to the supply reel during tape rewind. A follower arm is pivotally mount... | 08/13/2002 |
| 6405653 | Supercavitating underwater projectile A supercavitating underwater projectile adapted to be fired from a gun or the like, comprising a front end or nose portion and a rear end portion. An auxiliary rocket motor is disposed within the rear end portion of the projectile for providing additional... | 06/18/2002 |
| 6356691 | Optical waveguide display having embedded light source An optical waveguide display having an embedded light source is provided. The optical waveguide display having an embedded light source includes a light source unit including a plurality of light sources for generating light according to an applied voltag... | 03/12/2002 |
| 6354220 | Underwater explosive device An underwater explosive device, comprising a first container containing an explosive suitable for underwater use, and a second container surrounding the first container and containing oxygen gas under a pressure sufficient to enhance the underwater explos... | 03/12/2002 |
| 6350522 | Composition for image receiving layer and polymer film having the image receiving layer formed therefrom A composition for an image receiving layer including 2 to 20% by weight of a thermoplastic copolymer containing methylmethacrylate residue and butylacrylate residue, 0.1 to 10% by weight of a heat-curable polymer capable of forming a cross link with the t... | 02/26/2002 |
| 6349505 | Window protection apparatus Apparatus for protecting an occupant of a building from flying debris from a frangible structure such as a window or the like, in the event of an explosion or other blast. The apparatus comprises a protective louver system disposed adjacent the building s... | 02/26/2002 |
| 6338412 | Cylindrical screen, particularly for paper pulp Cylindrical screen, particularly for paper pulp, of the type comprising at least one filtering element (10) positioned between two flanges (1, 2) by means of a number of bars (3). The filtering element is composed by wires (10) placed side by side and hel... | 01/15/2002 |
