Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7349153 | Toy weapon with a periscope suitable for allowing a user to view obstructed objects through the periscope Described is a toy weapon with a periscope suitable for allowing a user to view obstructed objects through the periscope. The toy weapon comprises a weapon-shaped body with a trigger attached with the body. A user may activate the trigger with a finger to shoot the ... | 03/25/2008 |
| 7339729 | Focusing device and a telescopic tube module thereof A focusing device and a telescopic tube module thereof are for use with optical equipment. The focusing device has a base module and a telescopic tube module. The base module has a housing, a shaft, and at least two bearings. The telescopic tube module has a tubular... | 03/04/2008 |
| 7310184 | Cylindrical body of a Newton reflective telescope A cylindrical body of a Newton reflective telescope includes a first cylindrical body and a second cylindrical body combined together. The first cylindrical body has an eyepiece fixed on an outer surface, and a reflective mirror fixed in its interior. A joint member... | 12/18/2007 |
| 7230755 | Building with roof mounted periscope A periscope is mounted through the roof and into a room within a building, such as a house or the like, whereby people in the building can view scenes outside without leaving the building. The periscope extends from a room in the building, such as a living room of a... | 06/12/2007 |
| 7209288 | Snorkel device for a submarine An optical observation device is connected to an extendable and retractable snorkel tube for above-water observation during the snorkel travel (travel at periscope depth) of the submarine. The optical observation device is designed as a compact unit which consists o... | 04/24/2007 |
| 7099077 | Optical system having three fields of view using two all-reflective optical modules An all-reflective optical system includes an all-reflective afocal module, an all-reflective imaging module and an all-reflective switching structure being operated to direct a light beam through the afocal module and the imaging module. A first position of the swit... | 08/29/2006 |
| 7077537 | Underwater light for soft-sided aboveground pools An underwater light for use with soft-sided aboveground pools includes a watertight light fixture utilizing a low voltage (12V) current for use in underwater illumination of a swimming pool. A mounting assembly is provided that is attached to the light fixture for a... | 07/18/2006 |
| 6819495 | Auxiliary optical unit attachable to optical devices, particularly telescopic gun sights An auxiliary optical unit attachable to an optical device for optional use therewith, includes: (a) an afocal teleconverter lens system having a predetermined magnification; (b) a laser range finder system for measuring and displaying the range to viewed object; and... | 11/16/2004 |
| 6768584 | Devices adapted to be held at eye level by apparatus A viewing device (10) adapted to be held at eye level by an apparatus (14) comprises a housing (16) designed to fit within a tray (12) of the apparatus (14), two eyepieces (22) mounted to a proximal end (24) of the ho... | 07/27/2004 |
| 6754004 | Optical sight An optical sight for a combat vehicle, intended to be mounted in a weapon turret of the vehicle in order to make possible sight lines at elevations between roughly −10° and 90° of a weapon barrel mounted pivotably about a horizontal axis in the weapon turret. Th... | 06/22/2004 |
| 6717727 | Universal camera mounting adapter and method The present invention relates to a mounting system for mounting a camera, or other similar devices, for afocal photographic viewing through a telescope eyepiece providing an attachment for the telescope which allows attachment of the telescope eyepiece and a yoke wh... | 04/06/2004 |
| 6460804 | Emergency vision apparatus An emergency supplementary vision device comprises a collapsible tube made of airtight material and having an expanded form and a compact stowed form; first and second clear members disposed at respective first and second ends of the tube to enable the us... | 10/08/2002 |
| 6392798 | Apparatus for holding viewing devices at eye level An apparatus (10) for conveniently holding a viewing device (20) at the eye level of the user is provided, which allows the user to properly position the device (20) for ease of use without the need for continually holding the device (20), and also allows... | 05/21/2002 |
| 6382801 | Submarine periscope eyeguard housing assembly A submarine periscope eyeguard housing assembly includes a viewing lens housing having a viewing lens aperture and viewing lens therein, first and second arm members fixed to the viewing lens housing and extending therefrom, a first blinder mounted on the... | 05/07/2002 |
| 6381067 | Telescope with rearview mirror A telescope is provided with a rearview mirror having a mirror surface opposite to the observer. The rearview mirror is located on both sides of the eyepiece, the objective lens, or the telescope body and can be rotatably attached, insertably attached, cl... | 04/30/2002 |
| 6335825 | Adjusting apparatus of binocular telescope An adjusting apparatus of a binocular telescope with a binocular body including a pair of juxtaposed telephoto optical systems is provided. The apparatus includes a diopter adjusting shaft for adjusting a difference in diopter between the pair of juxtapos... | 01/01/2002 |
| 6122100 | Headgear apparatus for viewing in a periscopic direction and a forward direction simultaneously Headgear apparatus allows a viewer to see objects in a periscopic direction and a normal direction simultaneously. A periscope is mounted to a headpiece that is easily supported by the viewers head. The periscope has movable mirrors and an extending peris... | 09/19/2000 |
| 5936765 | Can telescope A can telescope includes a can being of a container having a front end and a back end, a removable lens cap at the back end and a removable can lid also at the back end, the can being that of a pop or soda can. The can telescope also includes a base tubul... | 08/10/1999 |
| 5883738 | Binocular A binocular incorporates a focusing and diopter correction mechanism having a common shaft, whereby the diopter adjustment is performed by rotation of the shaft and the focusing operation is performed by axial movement of the shaft. The lens-moving portio... | 03/16/1999 |
| 5793541 | Controlled and stabilized platform In the controlled and stabilized platform (1) comprising a plurality of optical apparatuses, the optical apparatuses (8, 9, 10) are mounted in a casing (7) which is pivotable about a sight axis (12) in a bearing (13) which is pivotable about a bearing axi... | 08/11/1998 |
| 5513044 | Resetting mechanism for electronic theodolite A resetting mechanism for an electronic theodolite of the present invention is comprised of a horizontal shaft for vertically turning a telescope, a first cam provided at one end of the horizontal shaft, and a lock lever limited by the first cam. A second... | 04/30/1996 |
| 5305140 | Door viewing apparatus A periscope structure is mounted to a door assembly to accommodate individuals restricted relative to standing, wherein the periscope structure is vertically adjustable and is arranged for ease of mounting to the associated door structure employing a moun... | 04/19/1994 |
| 4970938 | Mechanical servosystem for optical aiming device A mechanical servosystem for connecting the pivoting weapon support to an tical aiming device such that the optical sighting axis remain in alignment with the elevation of the weapon is described. A motion input mechanism is connected to the pivoting weap... | 11/20/1990 |
| 4964712 | Wide-view horizontal vehicle safety mirror A device for enabling the driver of a vehicle to view behind the vehicle as he is driving. The apparatus includes a number of elongated periscopes mounted generally vertical within the vehicle. The periscopes are mounted so as to provide adjacent angular ... | 10/23/1990 |
| 4921339 | Dual mirror viewing system A dual mirror viewing system for providing an above ground exterior view through a below ground basement window surrounded by an exterior well, includes a pair of elongated extensible spaced frame members. A pair of elongated mirrors are mounted in inclin... | 05/01/1990 |
| 4919528 | Boresight alignment verification device A boresight alignment verification device for testing sophisticated sighting and weapon systems used on various types of military aircraft and vehicles. The alignment device measures boresight error between a reference line of sight, a vehicle sighting sy... | 04/24/1990 |
| 4848886 | Submarine periscope systems A submarine periscope system has a mast head 7 with a casing 10 from which protrudes a shaft 16 carrying observation instruments which are protected by a housing 8. A seal arrangement 30 is provided at the interface between the casing 10 and shaft 16 whic... | 07/18/1989 |
| 4434702 | Telescoping periscope A periscope for a military land vehicle to provide observation capability er hills or other obstacles. The periscope includes two telescopic tubes movable at different rates to position a sight head assembly at different elevated positions; a relatively l... | 03/06/1984 |
