Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7434319 | Circular cutter A circular cutter comprises a circular blade mounted to a front end of a handle via a shaft assembly, in the handle is disposed a slide member for controlling a hood having a T-shaped hole, the T-shaped hole is located correspondingly to a center of the circular bla... | 10/14/2008 |
| 7290340 | Circular cutter A circular cutter comprising a circular blade mounted to a front end of a handle via a shaft assembly, in the handle is disposed a slide member for controlling a hood, the hood is formed with a T-shaped hole located correspondingly to a center of the circular blade ... | 11/06/2007 |
| 7188424 | Cutting wheel A cutting device in accordance with the present invention is deal for use in cutting pizza and other “flat-bread” like cuisine. For example, in accordance with various embodiments, a cutting device is provided which exhibits improved functionality and ease of us... | 03/13/2007 |
| 7134209 | Disc cutter A pizza cutter has a hollow semi-circular shaped handle having a convex curved radiused top edge to facilitate use and reduce hand stress. A removable cutter wheel has outwardly extending axles having protrusions on the outer ends thereof that have a snap fit relati... | 11/14/2006 |
| 6584694 | Integrally-made ultrathin circular blade of cutting tool A circular blade of the cutting tool is provided with a reinforcing portion circumventing a fastening hole by which the circular blade is fastened to one end of the handle of the cutting tool. The reinforcing portion serves to enhance the structural stren... | 07/01/2003 |
| 6484407 | Food cutting utensil A food cutting utensil, (e.g., a rotary pizza cutter) includes a disc and a handle that are selectively connectable together. The disc has a first side, a second side and a central through bore that is substantially aligned with an axis of the disc. A rim... | 11/26/2002 |
| 6195897 | Encapsulant removal tool for fiber optic cables A cutting tool for removing encapsulant surrounding a fiber optic cable splice includes a rotating cutting head, with the head coupled through a vacuum tube to a collection bag. The cutting head preferably includes alternating rows of cutting blades and b... | 03/06/2001 |
| 6163966 | Scoring tool A a scoring tool which can be used to aid in removing wallpaper. The tool has a hand grip to which is connected a pair of cutting wheels. The wheels are mounted in the lower portion of the hand grip so the wheels diverge away from each other.... | 12/26/2000 |
| 6094824 | Rotary cutter A rotary cutter has a handle, a rotary blade having a cutting edge, a protective member for covering the blade, a lock mechanism for locking the protective member, and a brake mechanism for applying rotational resistance to the blade. The blade is rotatab... | 08/01/2000 |
| 5758426 | Rotary can opening cutter A rotary can opening cutter provides a method of opening a can in order to reduce the possibility of spillage, facilitate consistent paint mixing and colorant addition, and provide re-sealing and subsequent mixing by shaking. After cutting, the "slug" is ... | 06/02/1998 |
| 5659963 | Coin and token roll opener The Coin and Token Roll Opener facilitates the opening of machine packaged paper rolls of coins and tokens. The Coin and Token Roll Opener consists of top and bottom wings, joined by an eyelet, upon which are mounted rotating, circular cutters. The wings ... | 08/26/1997 |
| 5649365 | Blade and cover assembly for a multiple function cutting tool An assembly including a wheel-shaped cutting blade and protective cover may be attached to a multiple function cutting tool by inserting an engagement member of the assembly into a connecting chamber of the tool and securing the member to the tool with a ... | 07/22/1997 |
| 5555625 | Rotary cutter A rotary cutter employs a disc blade removably mounted on a cylindrical bearing surface portion carried to upstand from adjacent one end of a handle and a swing arm movable between a retaining position in which it overlies the disc blade and a release pos... | 09/17/1996 |
| 5504998 | Manual cutting wheel A rotating cutter for cutting pizza or other planar objects. The inventive device includes a substantially U-shaped handle with a rotating cutting wheel mounted to the base of the handle. The handle is oriented relative to the cutting wheel such that a do... | 04/09/1996 |
| 5355588 | Rotary cutting blade assembly for a hand-held cutter A rotary cutter having a handle, a cylindrical head formed on one end of the handle and having a planar surface on each side of the head, an actuating member pivotally mounted in the head, a circular blade mounted on the actuating member and having a pink... | 10/18/1994 |
| 5144749 | Utility knife A utility knife has a bolster formed at a downward angle from a body which receives a blade shield and a circular blade. A channel is formed in the body at the bolster and has an upper pair of notches and a lower pair of notches. The blade shield has a ci... | 09/08/1992 |
| 5101564 | Hand-held cutter having a rotatable circular blade and safety guard A rotary cutter having a handle, a cylindrical head formed on one end of the handle and having an internal cavity with a planar surface on each side, an actuating member is pivotally mounted in the cavity with a circular blade secured to one side of the a... | 04/07/1992 |
| 4993157 | Food cutting apparatus An apparatus for effecting precise slicing and division of various sheet-like food members, such as cake, pizza and the like. The apparatus includes a housing including a manually manipulatable drive gear positioned medially thereof, with the drive gear r... | 02/19/1991 |
| 4809437 | Manually manipulated cutting device A manual cutting device for severing generally planar food stuffs, such as pizza, which is characterized by an elongate handle provided with a removably mounted, circular cutting blade rotatably mounted to the handle. A removably mounted pivot pin is prov... | 03/07/1989 |
| 4606126 | Dough cutter A generally U-shaped bracket is provided having a pair of generally parallel legs interconnected at one pair of corresponding ends by a bight portion extending between and secured relative to the one pair of ends of the legs. An elongated handle is provid... | 08/19/1986 |
| 4601103 | Cutter having circular rotary blade A cutter having a circular rotary blade comprises: a handle; a blade mounting section formed on one end of the handle; a circular blade secured to one side of the blade mounting section and rotatably carried at its central portion; a slot having an openin... | 07/22/1986 |
| 4520567 | Power pierce can opener An electric powered can opener has a housing, a feed gear that is motor connected and rotatably mounted to drive and rotate a can by holding it by its rim. An operating lever is pivoted above the gear on the housing and carries a cutter mechanism to remov... | 06/04/1985 |
| 4459747 | Manual adjustable dual cutting device A cutting device comprising an elongate arm and a pair of mountings for circular rotatable cutting blades, each of the mountings being slidably mounted on the arm. A circular rotatable cutting blade is rotatably mounted on each of the mountings. Each of t... | 07/17/1984 |
| 4435145 | Rolling pin with gauge wheels An apparatus for rolling plastic material such as bread dough or cookie dough so that the material has a substantially constant thickness throughout the entire mass. The apparatus includes an elongated cylindrical body having an outwardly extending axial ... | 03/06/1984 |
| 4432137 | Rotary cutter A rotary cutter which includes an elongated handle having an aperture extending through its one end, a shaft extending through the aperture so as to be supported by the handle, a disc blade rotatably mounted on the shaft and lying in a plane perpendicular... | 02/21/1984 |
| 4423551 | Pizza cutting and serving utensil An improved utensil for cutting pizza or the like is disclosed having a sharpened cutting wheel and a planar blade with a sharpened edge, the edges of both the wheel and blade are aligned so that the cutting paths traversed by each coincide. The pizza cru... | 01/03/1984 |
| 4301594 | Handy rotary cutter A rotary cutter comprises a generally elongated plate-like handle having a bearing aperture defined at one end thereof, a shaft member supported by the handle and extending through the bearing aperture, a disc blade rotatably mounted on the shaft and lyin... | 11/24/1981 |
| 4156968 | Gem cookie cutter A kitchen implement for cutting up rolled-out dough into strips or squares of equal widths; the implement including a handle unit that incorporates a shaft, upon which two wheels are adjustably positioned, the wheels being rolled across the dough in order... | 06/05/1979 |
| 3994652 | Combined rolling pin and dough cutter This invention consists of a combined rolling pin and dough cutter. It is made up mainly of a central shaft provided with a handle at each end, and a series of abutting cylindrical rollers, all of the same diameter, rotate freely upon the central shaft to... | 11/30/1976 |