The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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| Number | Title | Issue Date |
| 7621052 | Bolt cutter A bolt cutter. An illustrative embodiment of the bolt cutter includes a first jaw having a first jaw cutting edge, a second jaw pivotal with respect to the first jaw and having a second jaw cutting edge, a first handle pivotally carried by the first jaw, a second ha... | 11/24/2009 |
| 7346987 | Cutting tool with work piece feed mechanism A cutting tool having a work piece feed mechanism includes a first jaw and a second jaw connected together for pivotal movement between a closed position and an open position. The work piece feed mechanism includes first and second ratchet members as well as a slide... | 03/25/2008 |
| 7284330 | Cutting device for workpieces such as rods, bolts and the like, especially for threaded rods A cutting device for rod-shaped workpieces has two actuating levers each in the form of a two-arm pivot lever. The two-arm pivot levers each have a first arm as an actuator and a second arm having a shearing edge. The actuators move the shearing edges relative to on... | 10/23/2007 |
| 7073261 | Cut and grab shearing head A cut and grab shearing head for pruning shears or loppers which includes a laterally extending protuberance mounted on one of the jaws of the shears with this laterally extending protuberance having a bottom surface which can be located directly adjacent a resting ... | 07/11/2006 |
| 6966114 | Wire nipper A wire cutter having a handle, a fixed cutting blade mounted on the handle, a lever pivotally connected to the handle, and a stop on the lever for engagement with the fixed cutting blade is disclosed. The wire cutter also includes a spring to bias the lever to an â€... | 11/22/2005 |
| 6748663 | Lopper A lopper used to perform lopping, pruning and similar operations includes a lopping head having a spring-biased blade cooperating with a jaw, a drive mechanism connected to the lopping head and an elongate housing connected to the drive mechanism. The drive mechanis... | 06/15/2004 |
| 6470575 | Force-saving pruner with a guiding roller arrangement A pruner comprises a first handle comprising a jaw on a first end thereof and a handle portion on a second end thereof, a second handle having an end pivotally mounted to the first handle, a first roller and a second roller rotatably mounted in the second... | 10/29/2002 |
| 6314647 | One-handed branch-cutting device Finger-actuated device for cutting slender articles at a distance, including a first end including an anvil and a cutting edge articulated about a common axis and arranged to temporarily accept a slender article therebetween, a second end including a hand... | 11/13/2001 |
| 6305087 | Shears for cutting water pipe and the like A pair of shears including a primary handle, a secondary handle, a movable jaw, a connection rod, and a push claw. The primary handle is provided with a fixed jaw. The push claw is actuated by the secondary handle to urge a toothed portion of the movable ... | 10/23/2001 |
| 6202310 | Foot operated cutting device A foot operated cutting device used to perform pruning, shearing, trimming, and similar operations includes a cutting head provided with a spring biased blade cooperating with a jaw, an actuating mechanism in a housing coupled to a foot actuating device. ... | 03/20/2001 |
| 6101725 | Foot operated cutting device A foot operated cutting device used to perform pruning, shearing, trimming, and similar operations includes a cutting head provided with a spring biased blade cooperating with a jaw, an actuating mechanism in a housing coupled to a foot actuating device. ... | 08/15/2000 |
| 5960546 | Pruning device and package therefor A pruning device for cutting limbs includes a hollow tubular pole having an actuating assembly mounted on a first end of the pole, and a cutting assembly for engaging and cutting a limb mounted on a second end of the pole. A cable extends axially through ... | 10/05/1999 |
| 5950315 | Lopper A lopper used to perform lopping, pruning and similar operations includes a lopping head provided with a spring-biased blade cooperating with a jaw, a drive mechanism, and an elongate housing. The drive mechanism includes first and second wheels rotatable... | 09/14/1999 |
| 5231763 | Mechanical force transmission for a hand tool Mechanical force transmission for a hand tool having a pivot lever or the like which is adapted to be brought into engagement intermittently with a tool member to be driven and acting on a rod-like or tubular workpiece and a handle connected to the other ... | 08/03/1993 |
| 4868986 | Chip cracker device The chip cracking device is for engaging the lateral surfaces of a mounted computer chip. The device body has a pair of curved leg members having upper and lower portions with inwardly extending centrally disposed structures. A pivot member is operative o... | 09/26/1989 |
| 4599795 | Cutting tool A cutting tool of the ratchet operated type comprises several elements. A movable blade having a plurality of notches along the rear end thereof is moved relative to a stationary blade by an opening and closing operation of a pair of blades through a push... | 07/15/1986 |
| 4458418 | Tubing and cable cutting tool This invention relates to a hand held hydraulic cutting tool particularly useful to deactivate ejection seats in military aircraft rescue operations. The tool consists primarily of a hydraulic system composed of a fluid reservoir 11, a pumping piston 16, ... | 07/10/1984 |