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...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 7905022 | Folding knife having a locking mechanism A folding knife includes a handle element, a blade rotatably coupled to the handle element, and a locking mechanism operatively coupled between the blade and the handle element. The locking mechanism includes first and second pairs of toggles positioned, respectivel... | 03/15/2011 |
| 7676931 | Folding knife A folding hand tool with an open-assist mechanism that is not mechanically linked to a folding knife blade is disclosed. The open-assist mechanism is allowed to rotate around the same pivot used by the blade, and includes a lug that interacts with the kick of the bl... | 03/16/2010 |
| 7513045 | Folding knife with handle pivoting mechanism A folding knife having a blade-opening mechanism incorporated in the handle of the knife. The blade-opening mechanism in one form can be used to pivot the blade from the closed position to the open position by manually applying pressure to the blade-opening mechanis... | 04/07/2009 |
| 7415915 | Cutting system having an interchangeable rotary blade cartridge A cutting system that includes a rotary blade cartridge that can be interchangeably used with a variety of cutting tools is disclosed. The cartridge houses a rotary blade assembly that is maintained in a secure and safe retracted state and that can be activated when... | 08/26/2008 |
| 7395599 | Blade-assisting mechanism for a folding knife A folding knife is disclosed. The folding knife includes a handle; a blade connected to the handle in a manner allowing pivoting of the blade between a closed position in which the blade extends along the handle, and an open position in which the blade extends away ... | 07/08/2008 |
| 7353228 | Method and product for calculating a net operating income audit and for enabling substantially identical audit practices among a plurality of audit firms Deployment of a computer program including a global NOI audit model together with standards, procedures, documentation, and reporting requirements in interactive, digital form to a plurality of audit firms operating independently of each other and having a reporting... | 04/01/2008 |
| 7305768 | Locking mechanism for folding tool A hand tool—typically embodied as a knife—incorporates a blade or implement lock mechanism for securely locking the implement such as a blade in the open position. The lock mechanism locks the blade in the open position and allows it to be released so that the b... | 12/11/2007 |
| 7284329 | Folding knife with cantilevered retainer A folding knife having a handle and a blade pivotally attached to the handle for pivoting between a retracted position and an extended position. A cantilever member is connected to the handle, and the cantilever member includes a free end. The blade includes a first... | 10/23/2007 |
| 7278213 | Hand tool stop pin A hand tool such as a folding knife that incorporates a blade stop pin that stops rotation of the blade in the open position is described. The stop pin defines a multifaceted face having plural surfaces, each having a radial distance from an axial centerline that is... | 10/09/2007 |
| 7275321 | Folding knife assembly A folding knife assembly includes a knife handle, a knife body, and a brake portion, wherein the knife body can be turned into or out of the knife handle, and the brake portion is movably coupled to a pivotal position of the knife handle and the knife body. If the k... | 10/02/2007 |
| 7231718 | Multi-position locking tool A locking tool includes a handle and an elongated tool blade having a body and a tang. The tool blade has a tang spline opening formed therein which defines an annular array of alternate spline teeth and splined slots. A transversely-extending lock member has a spli... | 06/19/2007 |
| 7181849 | Folding knife with opening and closing actuator In one embodiment of the present invention a laterally folding knife is described incorporating an actuator mechanism permitting the knife blade to be moved from open and closed positions without the need for a user to touch the blade. Further, the folding knife can... | 02/27/2007 |
| 7162803 | Foldable tool retainer capable of updating the tool easily A foldable tool retainer capable of updating the tool easily comprises an upper casing sheet; an upper pad; a work tool; a lower pad; a resisting sheet; and a lower casing sheet. When updating the work tool, it is only necessary to press the upper button to drive a ... | 01/16/2007 |
| 7140110 | Folding knife having a locking mechanism A folding knife is disclosed. The knife includes a handle; a blade having a tang pivotably connected to the handle allowing pivoting of the blade between a closed position in which the blade extends along the handle, and an open position in which the blade extends a... | 11/28/2006 |
| 7134207 | Foldable utility knife A utility knife having a handle and a blade holder movably mounted on the handle for movement from an unfolded position to a folded position. The handle has a space adapted to receive the blade holder when the blade holder is in its folded position. The blade holder... | 11/14/2006 |
| 7126484 | Snap-hook assemblies with added components Snap hook assemblies in which additional components have been incorporated are detailed. The assemblies maintain the general shapes of carabiners rather than those of conventional versions of the incorporated components. Included among the incorporated components ma... | 10/24/2006 |
| 7121005 | Hand held device comprising a handle and an operational member which folds into and out of a side of the handle A hand held device (2) comprising a handle (4), an operational member (6), a control member (10) for controlling the folding of the operational member (6), an arm (12) which connects the control member (10) to the ope... | 10/17/2006 |
| 7111402 | Hand tool A tool generally consisting of a handle, an implement pivotally connected to the handle, a first magnetic element mounted on the implement having a magnetic field of a selected polarity intersecting a path disposed circumferentially relative to the axis of the pivot... | 09/26/2006 |
| 7107685 | Folding knife with device to aid in opening An apparatus for opening a folding knife is provided. The apparatus may include a plate having an arcuate slot and a substantially linear slot. A cam slide may be provided comprised of an extension which extends into the substantially linear slot, and an opening int... | 09/19/2006 |
| 7107686 | Spring assist knife A spring assist folding knife and method of biasing a blade in a folding knife. The folding knife includes a blade, liner, and handle. The blade includes a first recess for receiving a pivot pin. The blade includes a second recess offset from the axis of rotation. A... | 09/19/2006 |
| 7086158 | Sliding knife with disengaging blade actuation mechanism A sliding knife with disengaging blade actuation mechanism comprises: a hollow handle; a blade having a detent near its base end and slidable within the handle between a first, fully retracted position and a second, deployed position; and a disengaging blade actuati... | 08/08/2006 |
| 7062856 | Folding tool A folding knife, comprising a blade pivotally connected to an elongate handle defining a recessed blade cavity and a blade opening assembly constructed and arranged to assist movement of the blade to an open position, in which the blade is extended. The blade openin... | 06/20/2006 |
| 7051635 | Ball-lock insert assemblies The invention provides a ball-lock insert assembly adapted to be mounted axially in a mount opening formed in a holder plate having a desired thickness. The ball-lock insert assembly comprises an insert body having an axis and an elongated interior recess extending ... | 05/30/2006 |
| 7008076 | Folding knife light tool A folding knife light tool with an ergonometric handle in which an illuminating means whether an LED or light bulb or a laser light is incorporated into the handle housing in the spaces existing between the blade, the locking mechanism, and the handle. A knife handl... | 03/07/2006 |
| 6957466 | Folding multipurpose pocket tool with floating springs A folding multipurpose hand tool including folding pliers or scissors and other tool blades and bits. A pair of handles each has a pivot axle at each end. A base of each pliers jaw or scissors blade is mounted on the pivot axle at one end of a handle, allowing the h... | 10/25/2005 |
| 6918184 | Folding knife lock with integral stop pin The present invention relates to folding knives and implements, and more specifically to a locking mechanism used to prevent the inadvertent closing of the knife blade as well as overextension of the knife blade during use. ... | 07/19/2005 |
| 6748661 | “Shocking absorbing” blade stop for a folding knife A shock absorbing blade stop for a folding knife comprising; an elongated, cylinder shaped body, with o-ring grooves provided near its opposite ends. O-rings of a resilient material affixed to the o-ring grooves and the completed assembly located within the handle f... | 06/15/2004 |
| 6698049 | Multi-functional hand tool A multi-functional tool configured to enable a user to manipulate articles of clothing, the multi-functional tool including a first handle, a second handle, a pivot pin, and a plurality of tools rotatably disposed about the pivot pin. Wherein each tool is... | 03/02/2004 |
| 6618946 | Knife A hand-held jack-knife according to the invention essentially comprises a blade and a handle articulated around an axis of rotation. This articulation is formed by a hollow bush the axial opening thereof passes completely through the handle and which is f... | 09/16/2003 |
| 6430816 | Blade locking mechanism A folding tool (14, 60) including a locking mechanism for keeping a knife blade (2, 72) or other tool blade in an extended position or a folded position with respect to a handle (1, 62). A locking body (3, 90, 90', 142, 150, 162) extending between the sid... | 08/13/2002 |
| 6427333 | Knife-and-sheath combination with positive knife-to-sheath lock and multiple attachments points A knife-and-sheath combination includes a knife with a blade having two opposing broad faces and an opening through the blade extending between the broad faces, and a handle extending from the blade. The combination also includes a sheath including a shea... | 08/06/2002 |
| 6360443 | Folding knife with blade actuating mechanism A folding blade knife which may comprise a handle member, and including at least one upper handle member and at least one lower handle member defining a channel. The knife may further include a blade member pivotally mounted, via a pivotal member, to the ... | 03/26/2002 |
| 6308420 | Folding knife with spring and cam The folding knife includes an elongated handle forming a spacing therebetween. An elongated blade having a working end and a tang at the opposite end within a common plane, a pivot including a pivot axis connecting the tang to the handle to permit the bla... | 10/30/2001 |
| 6233830 | Utility knife handle A utility knife handle including a housing with an interior cavity that houses a locking mechanism, a blade storage area, and a blade carriage mechanism. The locking mechanism includes a biased locking member that is slidably provided within a first housi... | 05/22/2001 |
| 6158127 | Folding knife with one-handed blade movement A folding knife of the type wherein the blade may be moved between open and closed positions with the hand holding the knife. A blade is connected by a fixed pivot pin to a casing having the usual two handle or cover pieces providing a casing with a space... | 12/12/2000 |
| 5903942 | Seat belt cutter and method for attaching the same A seat belt cutter for automotive vehicles includes a blade and a hammer which are provided on a grip member. The blade member has an arcuate end portion and a serrated edge portion and is pivotally mounted to the grip member. The hammer can include a pai... | 05/18/1999 |
| 5896665 | Simple lever-activated folding knife An improved folding knife and one-handed opening system. The key improvement consists of a manual opening lever (100) moving alongside the blade (40) operated by the thumb by pressing upwards on the thumb bar (120). Because the manual opening lever (100) ... | 04/27/1999 |
| 5878500 | Self-opening folding knife A folding knife that is self opening when removed from a container such as a holster or pocket. The knife includes a handle and a knife blade with the blade hinged to the handle for folding from an extended, use, position to a stored position in a slot in... | 03/09/1999 |
| 5829144 | Knife holder for a folding knife A holder for a folding knife which retains the knife in a folded configuration with blade retention means to maintain the knife blade in a slightly open position so that the knife is opened when it is withdrawn from the holder, where the blade retention m... | 11/03/1998 |
| 5647129 | Folding knife A tri-fold knife is provided which has a blade having a tang and bifurcated handle. The handle has a main handle which has a forward end which is pivotably attached to the tang. The main handle terminates in a butt end. A tail handle is provided with a fo... | 07/15/1997 |
