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...Chester Carlson was a patent agent who tired of having to make multiple copies of patent applications using the only duplication method available at the time: carbon paper. In 1959 he came up with a new copying system and took it to IBM for evaluation. The "experts" at IBM determined potential sales to be only 5,000 units because people wouldn't want to use a bulky machine when they had carbon paper. Carlson's invention was the xerography process, the company founded on the system is Xerox.

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Class 225/26 - With finger-access opening


Subclass of Class 225 - Severing by tearing or breaking
Definition: A device in which a finger notch, recess or aperture is
No. of patents: 18
Last issue date: 06/05/2007


NumberTitleIssue Date
7226521Laminae separating dispenser and method of use
A method and apparatus for separating two laminae of a laminate. The apparatus has a separator extending into the path of the laminate as it travels through the apparatus. The separator may be shaped similar to a knife blade and be interposed between the two laminae...
06/05/2007
7220472Adhesive-backed extender trim material
A plastic trim strip useful for trimming the installation of doors, windows, and the like. The trim strip has a first side suitable for viewing in a finished installation, and a second side with at least one band of contact adhesive. In storage, the contact adhesive...
05/22/2007
7143922Stapler with tape dispenser and flag dispenser
A combination stapler, tape dispenser and flag dispenser includes a stapler having a housing including first and second arms joined together at a pivot. The first and second arms each have a distal end having a flat surface configured to permit the stapler to stand ...
12/05/2006
6659322Tape dispenser
The invention relates to a tape dispenser for producing lengths of tape. The tape dispenser comprises a rotatable roller on which the tape is wound up and a rotatable take-off roller across which the tape to be taken off is guided. The take-off roller has...
12/09/2003
6651857Combinatorial multi-use tape dispenser
A multi-use tape dispenser includes a housing with an open upper side, and a tape dispenser body pivotally connected to the housing to swing up and down on the housing. Small stationery items can be stored in a hollow space in the housing and may be taken...
11/25/2003
5375752Manual linerless label dispenser
Linerless labels are manually dispensed by mounting a roll of the labels for take-off from a stationary shaft. A polygon-cross-section foam core is provided between the shaft and the label roll to provide a brake drag effect to prevent excess label unwind...
12/27/1994
5118381Tape dispenser and method
A tape dispenser apparatus for tape having an adhesive surface includes a first supply compartment for holding a continuous length of the tape and a second compartment for holding a plurality of individual tabs or cover members which can be successively r...
06/02/1992
5009351Sheet-material dispensing box
The new free end formed when a portion of flexible sheet material is severed from a roll contained in a box is prevented from retracting into the box by frictional engagement between the free end and a strip of abrasive material near the cutting edge moun...
04/23/1991
4998655Reusable dispenser for packaging tapes, and combination dispenser and tape roll
A synthetic resin dispenser for dispensing packaging tape, having thin flexible sidewalls adapted to receive between them a roll of packaging tape. Bearing elements are provided and extend part way into the opening in the core of the tape roll, the bearin...
03/12/1991
4957233Tape dispenser
A refillable tape dispenser including opposed hub portions adapted to project axially into and journal the core of a roll of tape. Each of the hub portions includes cam surfaces having ends ending at an inner surface, which cam surfaces are disposed gener...
09/18/1990
4898312Cassette tape holding box and dispenser
A portable holder and dispenser for adhesive or pressure sensitive tape comprising a receptacle for containing a roll of tape, an opening being provided in the top panel of the receptacle for dispensing the tape, and a tape holder adapted for insertion in...
02/06/1990
4884734Tape dispenser
A small, lightweight ornamental tape dispenser is adapted for hand held, desk top, or wall mounted use, and accomodates both right and left handed withdrawal of tape while remaining in a wall mounted position. A wall mounting means, a tape roll holding me...
12/05/1989
4752023Tape dispenser
An improved tape dispenser comprises a body in the form of a rectangular block with a recess at one end to contain a wheel with a tape reel thereon, a tape stand with a zigzag cutter blade at the other end, a first adhesion face behind the cutter blade, a...
06/21/1988
4630765Dispenser for tape with a stretchable backing
A tape dispenser for pressure sensitive adhesive coated tape having a stretchable backing. The dispenser includes a housing comprising a base portion having a cavity in which a roll of the tape is mounted, and a slotted land area spaced from the hub again...
12/23/1986
4549689Carton for dispensing rolled sheet material
A carton is provided for dispensing sheet material from a roll thereof disposed in the carton. The carton has a hood panel and a material tearing member which is preferably mounted on the lower edge of the hood panel. A hood panel engaging portion is prov...
10/29/1985
4493446Multiple roll tape dispenser
A tape dispenser (1) for a plurality of rolls of pressure sensitive adhesive tape (70) including a tape storage compartment (5) and tape severance compartment (6) in which are located flexible retention wings (40), guard fingers (17) and tape cutter bar (...
01/15/1985
4424926Roll dispenser
A roll dispenser 1, preferably one piece having no moving parts, has a rear aperture 8 for insertion of a roll and a front aperture 7 for extraction of material from the roll. A cutter 2 is provided adjacent to the front aperture 7 and a cling surface 3 c...
01/10/1984
4417677Tape dispenser
A dispenser for rolls of adhesive tape is described. The dispenser includes a parallelepiped receptacle for a roll of tape, with an opening for drawing the tape from the receptacle and a cutting means adjacent the opening for severing the tape. The dispen...
11/29/1983
 
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