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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 |
| 5517835 | Cable locking device A locking mechanism for providing one or more loops in a cable for separately encircling and retaining different objects wherein different cable portions are gripped by the locking mechanism merely by an individual squeezing the housing of the mechanism t... | 05/21/1996 |
| 5229144 | Injection molding apparatus Apparatus for injection of fluids as, for instance, into a mold for the making of parts out of plastic or the like wherein the apparatus is self-aligning with the opening of the mold, a nozzle being moveable substantially automatically as the injection ap... | 07/20/1993 |
| 5220402 | Multiple-path gas-absorption cell A gas-absorption cell for use with spectrophotometric equipment having a generally circular housing or body formed with inlet and outlet openings for the passage therethrough of predetermined types of energy, there being an optical lens in the inlet openi... | 06/15/1993 |
| 5101775 | Cooling apparatus for engine radiator Cooling apparatus for the cooling system of an internal combustion engine or the like, including water-spraying apparatus which includes one or more spraying elements attached to the radiator of such engine, a source of fluid and pump means for pumping fl... | 04/07/1992 |
| 4967507 | Window frame A window frame wherein all of the frame members are formed with the same identical cross-sectional configuration as, for instance, in an aluminum extrusion. A spacer is slidably inserted into the frame member which is to be the lower-most frame member whe... | 11/06/1990 |
| 4884992 | Coin-dispensing apparatus Coin-dispensing apparatus having a general shape of a hand gun and provided with a trigger for manually advancing an endless belt formed with coin receptacles or pockets for receiving coins as they are fed by gravity from a reservoir, such advancing endle... | 12/05/1989 |
| 4764738 | Agile beam control of optical phased array An agile beam control for optical phased array wherein a great multiplicity of substantially identical wave guides are employed, each of which comprises a plurality of electrodes along the length thereof, and wherein electrical voltages are applied to suc... | 08/16/1988 |
| 4698493 | Method and apparatus for measuring distance utilizing binocular optics An optical distance measuring system which utilizes binocular optics with a mosaic sensor to simulate stereo imaging so that distance can be determined by noting the apparent displacement between left and right images in the stereo pair. The binocular opt... | 10/06/1987 |
| 4639774 | Moving target indication system A system comprising a scanning detector for rapidly scanning a field of view through appropriate optical means, and with a linear infrared detector array, there being electronic apparatus for converting the detector signals to digital signals and for stor... | 01/27/1987 |
| 4634031 | Article carrier An article carrier to be worn over a person's shoulder and around his or her torso which comprises a plurality of individual pocket members which are provided with zippers whereby any desired number of such pocket members can be contiguously arranged so t... | 01/06/1987 |
| 4597109 | Garment A garment to be worn by human beings comprising a trunk portion to which is attached one end of each of a pair of elastromeric extensions, each of the other ends thereof carrying a button. Said button has an enlarged end portion, and a clip is provided to... | 07/01/1986 |
| 4586296 | Method of finishing the surface of a disc The method of finishing the surface of a disc, such as a disc whereon information is magnetically recorded for use in computers and the like. It involves urging against one side of a rotating disc, a polishing pad having a polishing compound or medium the... | 05/06/1986 |
| 4564828 | Electromagnetic relay An electromagnetic relay wherein a force-transmitting member or actuator is carried by the armature to engage the contactor, which carries a moveable contact, such as to provide several different mechanical advantages in moving the moveable contact into f... | 01/14/1986 |
| 4554521 | Armature/contact system An armature/contact system wherein the armature rotates about a given axis, and a contactor is mounted thereon for movement therewith. The contactor is so formed as to have a resilient member having a contact surface which is within a plane which includes... | 11/19/1985 |
| 4537328 | Storage tank A storage tank, principally for fluids, having an inner primary tank formed of steel, and having a plastic coating, and an outer tank formed of sheet material composed of glass fibers and plastic resin, and having a coating of glass fibers and resin appli... | 08/27/1985 |
| 4518295 | Multi-part fastening nut, including jam nut A fastening nut, which by virtue of precisely located laser cuts and the application of predetermined torque to a grip member, is enabled to break into several parts, one of which can be used as a jam nut. The nut is provided with an internally threaded s... | 05/21/1985 |
| 4508486 | Ventilation fan with noise-attenuating housing In a high-speed, high-volume ventilation fan, a noise-attenuating housing structure includes a perforated inner casing contained within a solid-walled outer casing. Filling the space between the inner and outer casings is a porous, sound-absorbing materia... | 04/02/1985 |
| 4486925 | Fastening buckle for chains, strings of beads, pearls and like jewelry A clasp or buckle is disclosed for several chains, strings of beads, pearls and like jewelry whereby the chains or strings may be arranged and fastened into various ornamental and multi-stranded closed loop configurations at the option of a user of the je... | 12/11/1984 |
| 4468860 | Measuring device A measuring device having a pair of pivotally moveable styli connected together by means of a potentiometer, for varying electrical resistance in accordance with the angular disposition between the styli. The measuring device further comprises a source of... | 09/04/1984 |
| 4467404 | Reflector for spoked wheel A three dimensional reflective device for attachment to an individual spoke of a spoked wheel includes a pair of matched and mating reflective elements which are attached to each other and to the spoke by a spoke-retention assembly which is completely enc... | 08/21/1984 |
| 4463331 | Electromagnetic relay An electromagnetic relay which is formed with two distinct and separate compartments, one of which houses the electromagnetic motor and the other of which contains the electroresponsive armature as well as stationery and moveable contacts. Such separate c... | 07/31/1984 |
| 4412611 | Transport mechanism A transport mechanism for use in material handling systems whereby a multiplicity of like objects are automatically and rapidly transported from a storage compartment thereof to a predetermined location. Such mechanism receives a plurality of such objects... | 11/01/1983 |
| 4359103 | Ground-working implement A ground-working implement to be attached to a tractor or other motive power means, to be pulled through and over the ground. It comprises a ripper having several ripping teeth which dig into the ground and are hydraulically adjustable by the operator of ... | 11/16/1982 |
| 4351727 | Device for removing foreign particles from a source of fluid A device for removing foreign particles from a source of fluid under pressure which is adaptable to be connected to a faucet or the like. It comprises one or more screens which are provided to collect the foreign particles which might include small stones... | 09/28/1982 |
| 4307975 | Water flow control system A water flow control system for surface water on a hillside wherein down drains and terrace drains are so shaped as to have a larger cross-section at those points where larger amounts of water are to be carried. Thus the down drain or drains are progressi... | 12/29/1981 |
| 4284359 | Agglomerization system for intermixing edible ingredients An agglomerization system for intermixing edible ingredients comprising a chamber wherein various different edible ingredients are intermixed with steam, the latter of which is provided into the chamber through one or more manifolds. Such manifolds are ho... | 08/18/1981 |
| 4279716 | Odor control system An odor control system for a holding tank of liquid and solid excrement wherein one or more pairs of electrodes formed of highly conductive material and generally rectangular in shape are mounted on opposite sides of the holding tank. A source of electric... | 07/21/1981 |
| 4184372 | Particle detection system and apparatus therefor A particle detection system for detecting the presence of a particle within a sealed enclosure. It includes a vibrator or shaker whereon is mounted an electromechanical shocking apparatus whereby an operator-actuated switch causes an armature to provide a... | 01/22/1980 |
| 4182092 | Building panel chord tie and method of tieing together precast concrete building panels A chord tie for connecting together adjacent precast concrete building panels and method for tieing together such panels in contiguous relation. Such chord tie comprises an elongated anchor member having an offset portion to be embedded in the concrete du... | 01/08/1980 |
| 4177710 | Blind fastener A blind fastener capable of providing a strong fastening force on workpieces whose composite thickness may vary from minimum to maximum within a predetermined range. It comprises a tubular sleeve and pulling mandril therewithin, such mandril having a head... | 12/11/1979 |
| 4151912 | Storage container A storage container for associated or related articles such as nuts and bolts wherein there is a myriad of different sizes and shapes for each of the different types of related articles. It comprises a main body having a continuous side wall and open oppo... | 05/01/1979 |
| 4131133 | Adaptor for manual lawn and garden sprinkler valves An adaptor for manually operable lawn sprinkler control valves for converting such valves to automatic shut-off following a predetermined time interval. It comprises a rotatable shaft whose end portion is bifurcated to effectively grip the manual valve op... | 12/26/1978 |
| 4122420 | Permissive-make electromagnetic switch A permissive make double throw electromagnetic switch having maximum efficiency in utilizing electrical energy supplied thereto, though being extremely small and compact for use on printed circuit boards. The means for moving the contact actuator comprise... | 10/24/1978 |
| 4113303 | Roof structure for an automobile A roof structure for an automobile wherein an opening is provided in the sheet metal roof and a reinforcing-mounting member formed of plastic is provided about said opening adjacent said roof and firmly secured to the support means for the roof. Such rein... | 09/12/1978 |
| 4098027 | Sliding-door and sliding-screen sill A sliding-door and sliding-screen sill having several elongated rail members for individually supporting a sliding-door and a sliding-screen. Each such rail member is extruded of aluminum and is formed with at least one elongated break-notch whereby an in... | 07/04/1978 |
| 4098348 | Disc harrow with support wheels having interconnected separate mounting mechanisms A disc harrow having a pair of spaced support wheels each having its own operating mechanism including a hydraulic actuator for raising and lowering the respective wheel, but wherein the mechanisms are mechanically linked together to ensure substantially ... | 07/04/1978 |
| 4089087 | Clamp for hydraulic hoses A clamp for hydraulic hoses having a base member formed with one or more substantially half-circle cutouts and a clamp member pivotally connected to said base member and formed with corresponding substantially half-circle cutouts, such clamp member being ... | 05/16/1978 |
| 4088848 | Holder for microphones and the like A holder for microphones and the like, attachable to a vertical wall and having a ledge member whereon the usual mounting button of a microphone is caused to rest by the force of gravity and a spring member fixed relative to said ledge member. Said spring... | 05/09/1978 |
| 4083253 | Fluid sampling apparatus A fluid sampling apparatus having an elongated member which carries a pivotal platform at one end and a handle at the other end. An operating lever extends from the handle to the platform whereby a vessel attached to the platform can be pivoted by pulling... | 04/11/1978 |
| 4068726 | Ground-moving equipment Ground-moving equipment comprising an arcuate main blade to be fixed to suitable motive power means such as a bulldozer or the like, and an elongated auxiliary blade hingedly connected to said main blade and operable for forming or cleaning a slope which ... | 01/17/1978 |
