...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!
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| Number | Title | Issue Date |
| 8024863 | Conforming wet shaving razor A wet shaving razor comprising a cartridge having a length wherein the cartridge comprises an upper frame comprising 1) a blade frame, 2) a shaving blade joined to the blade frame where the blade extends lengthwise along the cartridge, 3) an upper face that surround... | 09/27/2011 |
| 7856721 | Scrubbing razor The scrubbing razor includes a handle, an elongated head with a blade mounting portion, and one or more forward straight blades and one or more rearward straight blades mounted to and extending from the underside of the blade mounting portion. The one or more rearwa... | 12/28/2010 |
| 7272991 | Shaving razors, and blade subassemblies therefor and methods of manufacture A subassembly for a shaving razor that includes a plurality of elongated metal blades that are secured to each other as an integral unit. The plural blades have cutting edges defining a shaving surface, and are secured to each other by weld connections at their resp... | 09/25/2007 |
| 7204180 | Apparatus for cutting plastic profiles An apparatus for cutting plastic profiles includes a knife which is guided transversally to the profile, the knife including a cutting section and a holding section, the cutting section defining a guide portion, a transition portion, and a blade portion defining a t... | 04/17/2007 |
| 7200942 | Safety razor with pivot point shift from center to guard-bar under applied load A safety razor which features a pivot point that shifts from a center point pivot substantially on the shave plane, to a guard-bar pivot substantially on the shave plane, as shaving forces increase to help prevent nicks and cuts, and provide a smooth shave. ... | 04/10/2007 |
| 7197825 | Razors and shaving cartridges with guard A shaving blade unit includes a plastic housing having a front portion and a rear portion and two side surfaces extending from the front portion to the rear portion. The housing has a length extending from one side surface to the other side surface. Positioned betwe... | 04/03/2007 |
| 7194809 | Quick release blade and knife A knife blade having a cutting edge with a first end and a mounting edge opposite the cutting edge. Typically the first end will be a point, but other configurations are possible. In addition, the knife blade has a first attachment slot extending from the mounting e... | 03/27/2007 |
| 7155831 | Ceramic cutting tool A ceramic cutting tool (100) is for high speed cutting of light, thin and soft materials. The ceramic cutting tool includes an upper blade (10) and a lower blade (20) both made of ceramic material. The upper and lower blades therefore possess ex... | 01/02/2007 |
| 7131203 | Safety razors A safety razor blade unit is provided including at least one blade with a sharp cutting edge extending lengthwise of the blade unit, the blade being carried by a blade assembly, a support structure to which the blade assembly is pivotally joined by a hinge running t... | 11/07/2006 |
| 7100284 | Shaving product A razor head has blade members with straight front cutting edges which are mutually parallel and lie in a cutting plane. Imaginary median surfaces of the blade members are continuously curved from the cutting plane, from the cutting edges toward the rear edges. The ... | 09/05/2006 |
| 7086159 | Razor assembly A razor assembly is provided that includes a handle having a cavity, a razor cartridge attached to a razor cartridge holder, and a shaving aid body. The razor cartridge holder is slidably received within the cavity of the handle. The shaving aid body is attached to ... | 08/08/2006 |
| 7065882 | Low-waste peeler The present invention provides a cost-saving and space-saving combination of a low-waste peeler and an auxiliary tool. The low-waste peeler comprises an elongate grip and a fork-like mounting pivotally and movably connected to the grip. The mounting is provided with... | 06/27/2006 |
| 7024776 | Safety razors A safety razor blade unit is provided including at least one blade with a sharp cutting edge extending lengthwise of the blade unit, the blade being carried by a blade assembly, a support structure to which the blade assembly is pivotally joined by a hinge running t... | 04/11/2006 |
| 6880253 | Razor with a movable shaving head A shaving razor having a handle that defines a longitudinal axis, a shaving head that defines a transverse axis, a connector assembly, and a biasing element. The connector assembly couples the handle and the head so that the head can pivot upward and downward about ... | 04/19/2005 |
| 6722039 | Manual safety straight razor having doubled-sided blades A manual straight razor includes an elongated front cutter portion having a rear end. The front cutter portion has an elongated wide opening which is slightly, downwardly narrowed. A complementary razor holding structure is snugly inserted in to the side opening and... | 04/20/2004 |
| 6397473 | Shaving system with uniform shaving forces Shaving systems are designed to provide greater uniformity to shaving forces over the skin-engaging portion of the skin-engaging element, such as a blade, guard element or cap member. According to one embodiment, at least one, and preferably a plurality o... | 06/04/2002 |
| 6381857 | Razor with a movable cartridge Mechanism for connecting a shaving cartridge to a razor handle with shell bearings to allow the cartridge to swivel about an axis parallel to the edge of the cartridge blades and each shell bearing supported on a four bar linkage to permit the cartridge t... | 05/07/2002 |
| 6311400 | Safety razor A safety razor includes a suspension structure for supporting a blade unit (2) on a handle (1) so that the blade unit (2) is able to pivot about a longitudinal axis A and is able to move downwardly towards the handle (1), but is restrained from movement i... | 11/06/2001 |
| 6276062 | Triple blade safety razor A blade cartridge including three or more blades fixed between a platform member and a cap member. The present invention provides improved triple blade geometry where five contact surfaces with the skin are considered, including the edges of each of the b... | 08/21/2001 |
| 6266884 | Triple blade safety razor A blade cartridge including three or more blades fixed between a platform member and a cap member. The present invention provides improved triple blade geometry where five contact surfaces with the skin are considered, including the edges of each of the b... | 07/31/2001 |
| 6173498 | Razor A safety razor including at least one movable blade. The blade is moveable with respect to other parts of the razor. Movement of the blade increases the blade tangent angle in response to forces encountered during shaving.... | 01/16/2001 |
| 6122826 | Disposable cartridge holder for single direction pivoting cartridge An adapter used to mount a single direction pivoting cartridge on a disposable razor. The adapter may be either integral with the handle or a removable adapter. A spring tongue member or spring arm biases the cartridge to its at-rest position and provides... | 09/26/2000 |
| 6115924 | Razor with a movable cartridge Mechanism for connecting a shaving cartridge to a razor handle with bearings to allow the cartridge to swivel about a first axis parallel to the edge of the cartridge blades and the bearings being supported on a linkage to permit the cartridge to rock end... | 09/12/2000 |
| 5848475 | Razor and blade The invention provides a razor having a retaining mechanism adapted to receive a blade longer than the mechanism for retaining the blade so that one or both wings of the blade extend past the retaining mechanism to provide a small straight razor. Addition... | 12/15/1998 |
| 5673485 | Safety razors A safety razor has a handle, a head on the handle on which a razor blade or blade holder is mountable, a reservoir for water or other suitable lubricating liquid for shaving and an outlet for supplying the liquid from the reservoir to the blade, whereby t... | 10/07/1997 |
| 5661907 | Razor blade assembly A razor blade assembly for mounting on a handle via a pivotal connection, the assembly including a housing that carries three blade members, each having leading edges, and has a guard portion, a cap structure, and arcuate bearing surfaces below the blade ... | 09/02/1997 |
| 5416974 | Safety razors and blade units therefor A safety razor head comprises a head frame (101) carrying a cap member (104) and two blade units (105) all mounted in slots in end walls (103) of the frame (101) so as to be movable vertically, i.e. towards and away from the base (102) of the frame. The m... | 05/23/1995 |
| 5313706 | Razor head with variable shaving geometry The present invention is directed to a razor head having at least one blade with a sharpened edge disposed between a guard member and a cap member. The blade is supported in a manner such that the blade is pivotable about a point directly below, or below ... | 05/24/1994 |
| 5251376 | Razor head, especially razor blade unit of a wet razor A razor head, especially a razor blade unit of a wet razor, with the razor head being disposed at the front end of a handle. A single or double razor blade is yeildingly mounted in a plastic housing that is provided with a front guide strip. To provide an... | 10/12/1993 |
| 5222300 | Razor head, especially razor blade unit of a wet razor A razor head, especially a razor blade unit of a wet razor, with the razor head being disposed at the front end of a handle. A single or double razor blade is yeildingly mounted in a plastic housing. To improve the spring or yielding mounting of the singl... | 06/29/1993 |
| 5074042 | Shaver head with swivelling blade block The invention relates to a shaver head for a wet shaver. The shaver head is arranged at the front end of a handle. A razor blade, in the form of a single or double razor blade, is mounted in the shaver head. The shaver head has a guide strip parallel to a... | 12/24/1991 |
| 5033152 | Wet razor A wet razor having a handle, on the front end of which is disposed a razor head that carries a razor blade, is provided. In the region between the razor head and a grasping portion of the handle, there is provided a turning mechanism via which the razor h... | 07/23/1991 |
| 5018543 | Portable shaving kit It consists of a main body, preferably of cylindrical form, over whose ends the lather spray container and the aftershave or lotion spray container for aftershave use are introduced, each end being closed by its own cap. The cap which closes the lather sp... | 05/28/1991 |
| 4932123 | Improvements in or relating to safety razors A razor formed as a unitary moulding comprises a main body 1 including a cap member 3 and two side walls 4 and a guard member 6 connected to the body 1 by spring fingers 7 and living hinges which permit the guard member to be located in guide means 9 whic... | 06/12/1990 |
| 4922609 | Pivot head razor A pivot head razor having a prong holder that is disposed in a razor head, is adapted to be opened and closed, and serves to receive, hold, and release a pivot head razor blade. The razor head also has a spring cam that can be pressed in and that correspo... | 05/08/1990 |
| 4916814 | Wet-shave razor A wet shave turret razor assembly includes a razor head and single or double blades. The razor head is mounted at the front end of a handle. Several blades are uniformly mounted along the periphery of a blade holder. The blade holder is attached to the ra... | 04/17/1990 |
| 4903405 | Safety razors The invention relates to safety razor units of the disposable type. The razor blade cartridge, which may house one or two blades, is connected via a swivel-type hinge to a handle. The blade cartridge and the handle engage by means of a snap-action closure... | 02/27/1990 |
| 4860449 | Razor blade assembly A razor blade assembly, in the form of a complete razor or a shaving unit for mounting on a razor handle, has a blade platform supporting a blade and preferably a twin blade is mounted in a razor head frame for rolling movement between a shaving position ... | 08/29/1989 |
| 4785534 | Razor A razor including a handle and a blade unit mounted on the handle for pivotal movement thereon, the blade unit comprising a housing having a blade therein, a pair of projections extending from an underside of the housing toward the handle, and a leaf spri... | 11/22/1988 |
| 4774765 | Blade assembly featuring variable span According to this invention a blade assembly is created featuring pivotally mounted first and second blades with pivot and subsequent change the span of each blade in response to the amount of shaving force generated by the user.... | 10/04/1988 |