Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7921567 | Bayonet having a serrated edge and a balanced positioning access point A bayonet includes: a blade having a sharpened portion and a tang integral with the sharpened portion; a handle that encloses the tang of the blade and has a first end proximate to the sharpened portion of the blade and a second end proximate to an end of the tang o... | 04/12/2011 |
| 7434320 | Blade grip for a knife and method of use An elongate blade grip is attached to the top edge of a knife blade to achieve greater cutting control and efficiency. The blade grip includes a top member and two opposing side members connected to the top member. The blade grip closely conforms to the flat shape o... | 10/14/2008 |
| 7269867 | Combination tool The invention is essentially a tool device which is a combination of components, features and functions, including knife, chisel, scrapper, ruler, depth gage, and straight edge, housed in one easily handled and transported unit. ... | 09/18/2007 |
| 7228633 | Saber For use as a law enforcement weapon, a saber is provided having an elongated blade and a hilt affixed to one end thereof The blade has a triangular cross section including a pair of concave sides converging to a sharp common edge. The third side in opposed relation ... | 06/12/2007 |
| 7219436 | Universal hand guard for a hacksaw A resilient hand guard for protecting the hand of a hacksaw user including a flat shield formed of resilient non-metallic or elastomeric material having a height equal to that of the frame and a width at least as great as a projected frontal width of a user's hand w... | 05/22/2007 |
| 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 |
| 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 |
| 7051443 | Multi-function heavy duty utility knife with stabilizer pivot structure A heavy duty utility knife with ergonomic finger and thumb positions in relation to an internal stabilizer pivot structure which includes a wheel for safer, stronger, smoother and more efficient cutting. The knife also provides the user with an easy access, blade ch... | 05/30/2006 |
| 7013569 | Cutting tool with curved distal portion and associated methods A cutting tool includes an elongate handle to be grasped by a user, and an elongate blade connected to the elongate handle. The elongate blade includes a substantially linear proximal portion extending longitudinally outwardly from an end of the handle, and a curved... | 03/21/2006 |
| 7011003 | Fork with tine protector guard and method A large kitchen or barbecue fork and protector for preventing injuries from sharp tines of the fork and preventing food contamination from bacteria and dirt on the tines. The guard is movable on a shank of the fork from a covering relationship with the sharp pointed... | 03/14/2006 |
| 7007392 | Utility knife A utility knife having a handle and a blade holder which is pivotally 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 b... | 03/07/2006 |
| 6968622 | Utility knife A utility knife having a handle and a blade holder which is pivotally 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 b... | 11/29/2005 |
| 6861903 | Signal coupling systems with enhanced isolation and dynamic range Signal coupling systems are provided which enhance signal isolation and dynamic range with structures that increase bias voltages in upstream signal amplifiers to guard against transistor saturation that would otherwise increase current drain, reduce response time a... | 03/01/2005 |
| 6701624 | Knife with ergonomic handle A knife with ergonomic handle for providing a user with greater safety and control when using the knife. The knife with ergonomic handle includes a blade member having a cutting edge; and also includes a handle assembly being attached to the blade member ... | 03/09/2004 |
| 6637112 | Box cutter with deflectable safety shield A deflectable safety shield extends transversely across a cutting plane in a protective guard position completely overlying the cutting edge of a utility knife. A portion of the shield extends over-center with respect to the cutting edge, thereby tending ... | 10/28/2003 |
| 6516490 | Ice scraper construction An ice scraper construction (10) for cleaning ice and/or snow from vehicle windows wherein the construction (10) includes a handle member (20) having a pair of slots, (25), (28) whose upper ends are provided with an elongated cylindrical recess (29), a ge... | 02/11/2003 |
| 6493946 | Knife guard An accessory for knives which will protect the blade, when the knife is not in use, sharpen the blade when necessary, and provide greater cutting power to the knife blade.... | 12/17/2002 |
| 6381855 | Knife-holding assist Knife-holding assist including a blade-riding section and a grip section formed on two lateral sides of the blade-riding section. The blade-riding section has a U-shaped cross-section and includes a pair of opposite plate bodies integrally connected with ... | 05/07/2002 |
| 6267117 | Hair cutting method and device The invention concerns both a method and device for cutting hair. The device includes a multi-faceted cutting means (10) and a handle (20). The cutting means (10) is preferably formed from a broken piece of glass, preferably having a ragged broken edge to... | 07/31/2001 |
| 6134790 | Utensil for children A utensil for infants and toddlers it includes a planar flexible handle portion and a semi-rigid utensil portion. The utensil portion includes a ridge and a handle which engages the handle portion. A mouth guard is included and is disposed at the junction... | 10/24/2000 |
| 6122828 | Retractable blade knife and cutting edge A retractable blade knife is described, which has a handle composed of two parallel members connected by biasing spring assemblies and a blade orthogonal to the handle members. A cutting edge comprising cutting segments connected at varying angles to one ... | 09/26/2000 |
| 6061862 | Cleaning apparatus A cleaning apparatus (10, 10', 10") includes a hand shield (14, 16, 16') with an attachment device (64, 68, 68') thereon for selectively attaching the hand shield to a cleaning tool (12, 12') for protecting a hand gripping a grip portion (32) of an elonga... | 05/16/2000 |
| 6018875 | Sheet metal shears A sheet metal shears for protecting from injury the hand of a user holding the sheet metal shears while cutting a piece of sheet metal. The tool includes sheet metal shears having a pair arms pivotally coupled together with each arm having a cutting blade... | 02/01/2000 |
| 5894774 | Method of cutting cloth materials A guard for use with rotary cutters in the cloth cutting and related arts. The design includes a wide, clear plate for placement over cloth to be cut and an upturned edge portion to allow application of a rotary cutter device. The method steps of the inve... | 04/20/1999 |
| 5848453 | Gripp for hand strike tools A grip contains a profiled membrane (1) made of flexible material with two lips (1c) (1d) forming an interior collar, leaving the passage for the introduction of a tool shaft with any cross section free and which, when used and handled, allows the collars... | 12/15/1998 |
| 5581893 | Protective guard for a utility knife A utility knife can be equipped with a removable blade protective guard structure to prevent the person from being cut when the knife is not in use. The guard structure includes a mounting element having a pivotable connection with an elongated guard elem... | 12/10/1996 |
| 5568689 | Utility knife with improved hand grip strap A utility knife strap that is of a closed loop configuration so it can be selectively moved through an opening of a spring ring attached to the rear end of the utility knife while the strap retains its attachment to the utility knife, during which movemen... | 10/29/1996 |
| 5566687 | Hairdresser's comb A hairdresser's comb includes, in its handle portion, an elongated aperture converging from a wide end to a narrow end. One sidewall of the aperture includes a lengthwise blade. The opposite sidewall has a serrated surface. A bottle tip inserted into the ... | 10/22/1996 |
| 5491898 | Handle for a center punch A new and improved handle for a center punch comprised of a hollow tubular handle portion having a first end, a second end, and an intermediate extent therebetween. The intermediate extent has a foam padded handle theresecured. Included in the device is a... | 02/20/1996 |
| 5440814 | Knife with side guards A knife comprising a handle, a blade mounted on the handle, a pair of side guards mounted on the handle and movable between an open position and a closed position. The pair of side guards enclose at least a portion of the blade when in the closed position... | 08/15/1995 |
| 5428898 | Pizza cutter The present pizza cutter of a unique design has a circular blade mounted in a fork on the forward end of an arch-shaped frame. The intermediate portion of the frame is a handle for holding the pizza cutter. The arched shape of the handle prevents the hand... | 07/04/1995 |
| 5400511 | Thumbpiece for modular power-driven knife An improved thumbpiece for a power-driven knife is disclosed. The one piece thumbpiece includes an annular base portion and a thumb support portion disposed vertically above the base portion. The base portion is adapted to be mounted on an annular boss ex... | 03/28/1995 |
| 5330181 | Crosshandled baton with constraining means The present invention relates to an elongated main branch of a baton having a longitudinal axis and a cross branch normal to the main branch, the cross branch being located near one end of the main branch. The cross branch also has a longitudinal axis tha... | 07/19/1994 |
| 5325597 | Hacksaw hand guard Two-piece assembly which clamps to the frame of a hacksaw forward of and adjacent the handle and has two protective wing shields extending laterally outward from the hacksaw in front of the operator's hand. The wing shields may be integral with a hand and... | 07/05/1994 |
| 4987682 | Safety device for utility knives and the like A safety attachment for a knife has a yoke member adapted to at least partially encircle the body of the knife a short distance behind the blade. A substantially planar guard plate is hingedly attached to the yoke member to freely swing about an axis loca... | 01/29/1991 |
| 4980942 | Shredder/curling device A device for curling and shredding ribbon includes a handle having a recess for receiving the end of a thumb of a person grasping the device. A support member extends from the handle and supports a plurality of flat, planar blade members extending perpend... | 01/01/1991 |
| 4980977 | Safety core cutting knife A knife for cutting honeycomb core and other materials with a combination of safety features to prevent or minimize injury to operator. The blade used has a hole through which a fastening device e.g. threaded screw, locks it to a handgrip. A safety guard ... | 01/01/1991 |
| 4976030 | Hair trimming apparatus An apparatus including a cylindrical longitudinally aligned handle including a cutting head pivotally mounted at an upper end thereof onto a reduced shank of the handle to permit spaced parallel alignment overlying the handle, wherein the cutting head inc... | 12/11/1990 |
| 4887355 | Snack pack opener The invention is a device for opening heat sealed cellophane bags and packages. It is formed of a support bracket assembly, a doubled edged razor blade, and a safety guard assembly. The support bracket assembly is secured to the bottom surface of a cabine... | 12/19/1989 |
| 4735202 | Microsurgical knife with locking blade guard A disposable microsurgical knife having a blade guard that can be locked into a blade covering position and then easily removed from the knife body prior to introduction to the sterile field is disclosed. The blade guard includes a cylindrical sleeve havi... | 04/05/1988 |
