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| Number | Title | Issue Date |
| 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 |
| 6829827 | Artistic knife with spare blades An artistic knife with spare blades, including a main body in which a blade seat is back and forth slidably disposed. The main body is formed with a receptacle corresponding to the blade seat for receiving multiple spare blades. Each blade has more than one engaging... | 12/14/2004 |
| 6802126 | Utility knife A utility knife includes a handle having a first casing and a second casing, a blade holder slidably received in the handle, a blade mounted on the blade holder, means for driving the blade holder moving, and a lock device pivoted on the first casing of the handle t... | 10/12/2004 |
| 6625888 | Pruning device A pruning device includes a blade mounting jaw and an opposing jaw. A blade is removably mounted on a blade mounting portion of the blade mounting jaw to cut vegetation positioned between the jaws as the jaws are closed. A blade retainer is movable betwee... | 09/30/2003 |
| 5554137 | Tissue piercing members A piercing tip for penetrating body tissue is provided which includes a conical body and a triangular cutting blade positioned within a slot formed in the conical body. The piercing tip is particularly adapted for mounting at the distal end of an obturato... | 09/10/1996 |
| 5121544 | Replaceable blade knife A replaceable blade knife comprises two elongate handle portions and a blade carrier assembled together; the blade protruding, or being arranged to protrude, from a front end of the handle, between respective front ends of the two handle portions. The upp... | 06/16/1992 |
| 4400878 | Knife blade holder A holder for an interchangeable knife blade comprising a handle, a chuck adapted to be threaded into the handle. The chuck has a bifurcated forward end defining a lengthwise slot for receiving a flat cutting blade, the bifurcated end defining a cam surfac... | 08/30/1983 |
| 4180909 | Knife with exchangeable blades A knife comprises a tension rod insertable into an opening extending through a handle, and a bolt at one end of the handle and in threaded engagement with the tension rod for retaining a replaceable blade at the other end of the handle. The tension rod co... | 01/01/1980 |
| 4040184 | Cutting instrument The invention is a handle to which a razor blade fastens to form an improved cutting device. The handle includes a pair of rectangular sidewalls being substantially the same size as the size of the razor blade and which have a top edge, a bottom edge, a f... | 08/09/1977 |
| 3996664 | Non-scratching knife Knives including a cutting blade and one or more wider non-cutting runners projecting slightly beyond the cutting edge of the blade and preferably at both ends of the knife blade. The runners prevent scratching of a substrate on which the material, normal... | 12/14/1976 |
| 3983627 | Interchangeable blade type razor A razor is disclosed characterized by ready interchangeability and safe stability of the blade, a proper protection of the blade during shaving and at inoperative periods, as well as a more "anatomic" handle. A longitudinally extending sheath is connected... | 10/05/1976 |
| 3977079 | Knife having easily removable blade A knife having an easily removable blade has an elongated tubular housing having front and rear ends. An elongated stem is proportioned to fit slidably in the housing, the stem widening circumferentially in tapered fashion at the front end of the housing ... | 08/31/1976 |
