...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 8051595 | Automatic or semi-automatic rifle A rifle having a receiver with an integral hand guard and a barrel. The barrel is connected to the receiver. The hand guard extends over and surrounds the barrel. A removable hand guard is attached to the receiver by an attachment that stably holds the removable han... | 11/08/2011 |
| 8028458 | Housing for a rifle A housing for a rifle, comprising a first anchoring for a barrel, a second anchoring for a butt, a guide for a breech that can be locked with the barrel, and a seat for a trigger that interacts with the breech. The housing is subdivided into a lower part and a separ... | 10/04/2011 |
| 7814695 | Composite receiver for firearms A composite receiver for a firearm having a skeletonized body formed from a metal and having a series of ports formed therein. A cover shell is applied over the receiver body to cover and substantially seal the ports. ... | 10/19/2010 |
| 7685757 | Rifle A rifle comprising a housing, a barrel anchored thereon and a forearm extending below the barrel. The barrel is anchored by a fastening element which extends through a cross hole of the housing. The forearm has at least one axial projection that detachably engages i... | 03/30/2010 |
| 7640689 | Hand guard system for use with a firearm A hand guard system for use with a firearm is described. A holding unit for releasably coupling the hand guard system to a firearm includes a coupling element having an opening, a flange, and at least one coupling portion. The flange and the coupling portion form th... | 01/05/2010 |
| 7428794 | Telescoping stock A telescoping stock for a firearm, the stock including a stock body having an upper mounting rail, a buffer tube holder for receiving a firearm buffer tube, the buffer tube holder having a complementary mounting rail, and locking means for selectably locking the buf... | 09/30/2008 |
| 7428795 | Receiver for firearm A firearm comprises an upper receiver body and a lower receiver assembly. The upper receiver body is configured for receiving belt-fed ammunition and the lower receiver assembly is attached to the upper receiver body. The lower receiver assembly includes a receiver ... | 09/30/2008 |
| 7353740 | Rapid adjust muzzle system A gun barrel adaptor includes a body having a central bore therethrough and including a flange, the flange having a hole therethrough, the body having a lower side on one side of the flange and an upper side on another side of the flange; a flat spring attached to a... | 04/08/2008 |
| RE40216 | Modular sleeve A Swan universal receiver sleeve attached to the top of a firearm upper receiver and extended forward above the firearm barrel to a position just short of the firearm front sight. The underside of the rear portion of the sleeve is fixedly attached to the receiver to... | 04/08/2008 |
| 7313883 | Modular receiver system A modular receiver system for firearms comprising a barrel and receiver assembly providing a quick changeover coupling means for connecting the barrel to the receiver, wherein the coupling means comprises a barrel retaining bushing and a pair of opposed cam surfaces... | 01/01/2008 |
| 7273292 | Switches for firearm electrical accessories A tail cap assembly for a light beam generator includes a jack, while a remote switch connected by a cable to a plug is removably connectable to the tail cap jack. The tail cap assembly may also include a pushbutton switch. A remote tape switch may be contained in a... | 09/25/2007 |
| 7240600 | Rifle charging handle with ambidextrous latch A charging handle for a rifle having a housing. The handle has a body with an elongated bar having a forward end and a rear end. The bar has a bolt engaging element at the forward end, and a crossbar having an intermediate portion connected to the rear end of the ba... | 07/10/2007 |
| 7219462 | Receiver assembly for firearm A receiver is configured to receiver a tabbed magazine. The receiver includes a receiver well having a slot configured to accept the tab on the tabbed magazine. In operation, the tabbed magazine can be inserted into the receiver well without having to rotate the tab... | 05/22/2007 |
| 7219463 | Methods and apparatus to secure a safety catch in a jammed position Methods and apparatus to secure a bolt in a jammed position are disclosed. A disclosed firearm includes a housing; a mounting bracket carried by the housing; and a cocking slide slidably engaging the mounting bracket external to the housing. The cocking slide is eng... | 05/22/2007 |
| RE39465 | Modular sleeve yoke A Swan universal receiver sleeve attached to the top of a firearm upper receiver and extended forward above the firearm barrel to a position just short of the firearm front sight. The underside of the rear portion of the sleeve is fixedly attached to the receiver to... | 01/16/2007 |
| 7162824 | Modular trigger group for firearms and trigger group installation method A module housing is adapted to be inserted into an operating position in the trigger group receiving area of a firearm. The module housing includes at least one pin receiver defined by two openings formed in the module housing, one on each lateral side of the housin... | 01/16/2007 |
| 7162823 | Firearm stock connector A stock connector allows for secure attachment of various stocks to firearm receivers. The stocks can be changed out easily and quickly in the field, without the use of specialized tools. ... | 01/16/2007 |
| 7152355 | Modular gunstock The present invention is a modular stock system for rifles. The system replaces the rifle's buffer tube with a modified one containing a mount for a constant cheek weld and a rail track for adjustment. A stock module then mounts on the replacement buffer tube. The s... | 12/26/2006 |
| 7143920 | Primary and secondary handles for power tool A housing for a power tool includes a primary handle configured for accommodating a primary hand used to control the operation of the tool, the handle having a first end closer to a power source of the tool, and a second end distal of the power source, a secondary h... | 12/05/2006 |
| 7131228 | Modular firearm An M-4 firearm having a lower receiver assembly and an upper receiver assembly. The upper receiver assembly is connected to the lower receiver assembly. The lower receiver assembly has a fire control assembly. The upper receiver assembly has a barrel and a hand guar... | 11/07/2006 |
| 7086319 | Device to provide an electrical connection between a recoiling mass of a weapon and a fixed cradle A device providing an electrical connection between the recoiling mass of a weapon and a fixed cradle. The device incorporates at least one connector formed of a plug and socket, one of which is integral with the cradle and the other with the recoiling mass, the ele... | 08/08/2006 |
| 7076904 | Detachable gun barrel assembly A detachable gun barrel assembly having an adapter for threaded engagement with the receiver and a barrel dimensioned for affixation to the adapter. The adapter has a mating end section which threadedly engages the receiver V-threads and a receiving end section havi... | 07/18/2006 |
| 7059076 | Firearm rail system An attachment for a firearm having a barrel with a barrel nut mechanism located around an aft portion of said barrel. The attachment includes a shield or supplemental mechanism which is positioned close to the barrel. An attachment mechanism having a first and secon... | 06/13/2006 |
| 7036259 | Casing for firearms A casing for firearms, comprising a metal sleeve (15) on which is stably applied, through attachment means, a barrel (12), an inner element (14) made from polymeric material for the anchoring of said sleeve (15) and an outer shell (13 | 05/02/2006 |
| 7032340 | Breech construction for firearms In an autoloading gun construction having the breach end of a barrel removably assembled to the forward end of a barrel extension which is positioned between and secured to wall sections of two opposing receiver plates of a receiver section, the improvement comprisi... | 04/25/2006 |
| 6993864 | Locking block for compact semi-automatic pistols A locking block mechanism for a compact semiautomatic pistol includes a pair of forward guide rails, which are normally separate from the locking block. Additionally, the locking block includes transverse ribs on the sides of the locking block, which engage mating s... | 02/07/2006 |
| 6973863 | Adaptor for firing blank ammunition An adaptor for use with a flash suppressor on a gun barrel in order to allow the gun to repeatedly fire blank rounds of ammunition. The adaptor has a stem that chokes the flow of gases from an exploding round in order to create a back pressure. A body is used to cou... | 12/13/2005 |
| 6895708 | Accessory mounts for firearms An accessory mount for a firearm having a longitudinal barrel, a first support and a second support forwardly of the first support. The accessory mount includes a first longitudinal mount housing having a rear portion, the first housing positionable along the barrel... | 05/24/2005 |
| 6889462 | Harmonic stabilizer system for rifle barrel and a rifle equipped therewith A spring, which may be either a coil spring or a leaf spring, provides an adjustable stabilization force to the barrel of a rifle to tune out harmonic vibrations resulting from firing a particular bullet from the weapon. This tuning enables the scatter pattern for a... | 05/10/2005 |
| 6810614 | Devices, apparatuses and methods for mounting accessories to weapons including a scent generating device The present invention features devices for mounting accessories to a weapon and more particularly mounting devices that allow one or more accessories to be secured to the weapon, such as a firearm and crossbow, at the same time using the same mounting device. In mor... | 11/02/2004 |
| 6779288 | Accessory mounts for firearms An accessory mount for a firearm, and a method for installing the accessory mount to the firearm. In combination with the firearm including a longitudinal barrel, a rear support and a front support, the accessory mount includes a first semicylindrical mount housing ... | 08/24/2004 |
| 6722074 | Adjustable recoil lug for scope-mounting base A firearm (10) constructed in accordance with the principles of a preferred embodiment of the present invention and configured for firing large caliber ammunition at precisely defined targets at long range is disclosed. The firearm (10) broadly include... | 04/20/2004 |
| 6694660 | Rifle handguard system with integrated barrel nut A handguard system for use on a rifle having a barrel and a receiver, the hand guard system includes a barrel nut having an inner surface with a threaded portion adapted to threadably engage the receiver for securing the barrel to the receiver and an oute... | 02/24/2004 |
| 6671990 | Rifle handguard system with single end attachment A handguard system for use on a rifle having a barrel attached to a receiver by a barrel nut, including an adapter ring and a tubular handguard. The adapter ring is receivable about a barrel nut and changeable between a rotatable configuration where it is... | 01/06/2004 |
| 6618976 | Drop-in laser A laser module adapted to being joined to a modular sleeve upper handguard piece top longitudinal gap. The laser module has two, parallel elongated submodules positioned so that an elongated, generally rectangular space is formed between the submodules. T... | 09/16/2003 |
| 6591533 | Locking hinge A locking hinge especially used in a folding shoulder rest for paintball guns. The locking hinge comprises a first hinge plate and a second hinge plate in relative rotation. The first hinge plate has a hinge joint axis, a plurality of symmetric mounting h... | 07/15/2003 |
| 6526683 | Mid-grip high-power pistol A system and method for manufacturing a mid-grip high-powered pistol by modifying an existing rifle receiver, wherein a portion of the original trigger is removed, a new trigger is added in a position forward of the partially removed original trigger, and... | 03/04/2003 |
| 6499245 | Modular sleeve yoke A Swan universal receiver sleeve attached to the top of a firearm upper receiver and extended forward above the firearm barrel to a position just short of the firearm front sight. The underside of the rear portion of the sleeve is fixedly attached to the ... | 12/31/2002 |
| 6490822 | Modular sleeve A Swan universal receiver sleeve attached to the top of a firearm upper receiver and extended forward above the firearm barrel to a position just short of the firearm front sight. The underside of the rear portion of the sleeve is fixedly attached to the ... | 12/10/2002 |
| 6487806 | Weapon housing system for an automatic loading firearm A lightweight weapon housing system is disclosed for a self-loading firearm. The weapon housing includes an outer and an inner housing. A wall structure in the weapon housing reinforces the magazine chamber and transmits the transverse forces arising in t... | 12/03/2002 |