...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 7635180 | Ink cartridge An ink cartridge includes a cartridge case enclosing an ink chamber; a path extending from the ink chamber to an exterior of the ink cartridge; a valve member provided in the path, the valve member having a first state in which communication between the ink chamber ... | 12/22/2009 |
| 7631961 | Ink cartridge for a computer system having an integral printer An ink cartridge for a computer system having an integral printer includes a media housing portion having top and bottom moldings which operatively mate to form a housing for sheets of paper, the housing portion having a print media transport mechanism. The cartridg... | 12/15/2009 |
| 7628480 | Ink tank, ink-jet recording apparatus and method of manufacturing ink tank An ink tank consists of a case body and a top lid. The case body consists of an inner case having an ink chamber and an outer case. The ink chamber is parted into an absorbent chamber containing ink absorbents, and a storage chamber storing ink. A space is provided ... | 12/08/2009 |
| 7625079 | Ink tank and ink-jet recording apparatus An ink cartridge for supplying an ink to an ink jet type recording head is made of a paper box formed with an ink chamber. Inner wall surfaces of the ink chamber are processed to have water-repellency. The ink chamber is partitioned into a storage chamber storing th... | 12/01/2009 |
| 7625078 | Ink cartridge, ink cartridge unit and inkjet printing head A seal (8) which is produced from an elastomer and comprises a contact plate (9) which rests against the outside of the housing and forms a sealing surface (10) surrounding an outlet orifice (12) is inserted into an orifice (7) at ... | 12/01/2009 |
| 7621627 | Liquid container A liquid container having a liquid containing portion adapted to contain a liquid, a supplying portion facilitating supplying the liquid from the liquid containing portion to outside, and an agitating member configured to agitate the liquid, in which the agitating m... | 11/24/2009 |
| 7618136 | Ink tank and recording apparatus using ink tank An ink tank includes a tank case and a stirrer. The proximal end of the stirrer is supported by the inner surface of the tank case in a pivotal manner. When the stirrer moves close to the inner surface of the ink tank, the stirrer is substantially parallel to the in... | 11/17/2009 |
| 7618137 | Ink jet recording system, ink cartridge and ink jet recording apparatus An ink outlet and a pushing pin are formed on the bottom of a case of an ink cartridge. A fine-textured filter is put on inside of the ink outlet. A carriage is provided with an ink holding section at an upper end of an ink supply tube and a pressing section that is... | 11/17/2009 |
| 7618135 | Inkjet printing system with push priming An ink supply for a push-primed inkjet printer including an ink reservoir, a housing, and a pair of valves. The housing may enclose the ink reservoir and define an opening that provides fluid communication between the ink reservoir and outside the housing. The pair ... | 11/17/2009 |
| 7614732 | Ink cartridge An ink cartridge having a container for storing ink therein and having an ink supply port formed at a leading end side in an insertion direction of the container, a memory device disposed on a first of two opposite surfaces parallel to the insertion direction of the... | 11/10/2009 |
| 7611235 | Method and device to prevent refill of cartridge A method and device to prevent the refill of cartridges, including inject and laser printer cartridges. The device includes a cage made of hardened drill resistant material inserted within the central reservoir of the cartridge to prevent drilling into the cartridge... | 11/03/2009 |
| 7607771 | Ink cartridges An ink cartridge includes a first wall, a second wall opposite the first wall, and an ink supply portion positioned at the first wall. The ink cartridge also includes at least one third wall which is substantially perpendicular to each of the first wall and the seco... | 10/27/2009 |
| 7604335 | Ink cartridge An ink cartridge includes an ink-jet head and plural liquid chambers storing inks different from each other. The minimum value A1 (g/ml) for the ink densities of the inks stored in the plural liquid chambers and the maximum value B1 (g/ml) for the ink densities of i... | 10/20/2009 |
| 7600863 | Inkjet jet stack external manifold An inkjet external ink manifold is provided that allows for use of a jet stack that does not internally contain ink manifolds. The external ink manifold has a manifold body that includes one or more ink manifold chambers and includes ports arranged to connect the ch... | 10/13/2009 |
| 7597433 | Ink cartridge, inkjet printer and combination thereof An ink cartridge includes a cartridge body including an ink storage chamber and a wall having an ink introduction hole formed therethrough. The ink introduction hole is configured to receive an ink supply tube of an inkjet printer when the ink cartridge is mounted t... | 10/06/2009 |
| 7591548 | Ink cartridge An ink cartridge includes a cartridge case enclosing an ink chamber; and a path extending from the ink chamber to an exterior of the ink cartridge. The path varies in diameter at different locations along the path; a first diameter of the path in one or more narrow ... | 09/22/2009 |
| 7591547 | Print media cartridge incorporating print media and a print media transport mechanism A print media cartridge includes a housing assembly that defines a region in which a stack of print media sheets can be stored. A sheet transport mechanism is mounted in the housing assembly to feed the sheets from the housing assembly. An ink storage assembly is mo... | 09/22/2009 |
| 7588328 | Ink jet recording cartridge having commonly useable components An ink jet cartridge including a case, in which the bottom portion where an ink jet recording head is disposed projects, and a lid for covering the top surface thereof. In an ink containing chamber defined by the these case and the lid, there is provided an absorber... | 09/15/2009 |
| 7588327 | Inkjet printer with cartridge connected to platen and printhead assembly An inkjet printer includes a print medium cartridge arranged to store a print medium roll. The print medium roll includes a former carrying a wound length of a print medium. A platen supports the print medium during feeding from the roll. An inkjet printhead assembl... | 09/15/2009 |
| 7588329 | Print roll unit provided with pinch rollers and a drive roller A print roll unit with a housing comprising a first cover portion attached to a second cover portion, the housing including a slot. A longitudinally extending core is rotatably mounted inside the housing and an ink supply is contained within the core. A substantiall... | 09/15/2009 |
| 7585063 | Filter device and liquid drop ejecting device There is provided a filter device having: a supply path into which liquid flows; a first liquid chamber communicating with the supply path; a second liquid chamber communicating with the first liquid chamber; a first discharge path which communicates with the second... | 09/08/2009 |
| 7581826 | Ink reservoir The present invention relates to an ink reservoir for being received within the former of a printer roll. The reservoir includes a first portion defining one or more channels for each providing ink to a respective output port. A second portion is also provided which... | 09/01/2009 |
| 7575309 | Fluid supply system A fluid supply system for a printing device is disclosed. The fluid supply system includes an ink reservoir adapting member operatively disposed within an ink cartridge. The adapting member has an open end and an end opposed to the open end. The open end is adapted ... | 08/18/2009 |
| 7575311 | Ink cartridge An ink cartridge includes a cartridge case enclosing an ink chamber; a path extending from the ink chamber to an exterior of the ink cartridge; a valve member provided in the path, the valve member having a first state in which communication between the ink chamber ... | 08/18/2009 |
| 7575312 | Ink cartridge and method of ink injection thereinto An ink cartridge 1 is detachably connected to a head of a record apparatus and has a container main body 2 having an ink tank chamber 11 opened to the atmosphere in a state in which the head and the cartridge are connected and a first opening | 08/18/2009 |
| 7575313 | Printing cartridge bearing indicia A printing cartridge includes an elongate core which, in turn, includes a plurality of ink supply containers. Each ink supply container contains a respective type of ink. A roll of print media includes a tubular former in which the core can be received and a length ... | 08/18/2009 |
| 7575310 | Ink cartridge attachment/detachment device, recording apparatus, and liquid ejection apparatus An ink cartridge attachment/detachment device (1) includes a cartridge holding mechanism (30) that holds an ink cartridge (11) upon insertion of the ink cartridge (11) by a first predetermined stroke, and a power transmitting and converti... | 08/18/2009 |
| 7568794 | Ink supply mechanism for a disposable camera printing system The invention provides for an ink supply mechanism for a disposable camera printing system. The printing system of the disposable camera includes a printhead with a series of holes etched in a back surface thereof for the supply of ink to a front surface of the prin... | 08/04/2009 |
| 7566120 | Ink cartridge for use with recording apparatus and ink jet recording apparatus An ink cartridge in which on one surface of a cartridge case, there are provided a positioning means used in case that the ink cartridge is attached to a recording apparatus, an ink outlet port from an ink pack, an inlet port of the pressurized air and a connection ... | 07/28/2009 |
| 7562972 | Ink cartridges having signal blocking portions An ink cartridge includes a first signal blocking portion, a second signal blocking portion, and a third signal blocking portion. The first signal blocking portion is configured to either prevent a first signal from passing therethrough or to alter a path of the fir... | 07/21/2009 |
| 7562971 | Digital photofinishing system fluid cartridge A cartridge for a digital photofinishing system having a digital processor and a printer arranged to receive drive signals from the digital processor; the cartridge being arranged to be mounted removably in juxtaposition to the printer and comprising a source of pri... | 07/21/2009 |
| 7559638 | Liquid container with a waste liquid storing portion Liquid packs 34 provided with liquid leading members 42 are stored in a container case 31 that is constituted by fitting a case main body portion 32 and a lid case 33 in fitting portions 27 and 28, support portions | 07/14/2009 |
| 7559636 | Ink tank with valve in ink supply port An ink tank capable of a stable ink supply to a print head uses a simple valve construction. In one preferred example, an ink path is closed by a lip portion of a valve rubber engaging a flange, and an angle formed by an inner surface of an opening in the lip portio... | 07/14/2009 |
| 7559637 | Set of ink cartridges, ink cartridge and ink jet printer Ink cartridges 10a to 10d have different patterns from each other in positional relationship between projections 12a to 12d and insertion parts 16a to 16d, respectively, and cartridg... | 07/14/2009 |
| 7556365 | Inkjet printing system with compliant printhead assembly An inkjet printer including a printhead assembly and an ink supply coupled to the printhead assembly for supplying ink thereto. The printhead assembly may include a compliant chamber and a printhead arranged to receive ink from the compliant chamber. The ink supply ... | 07/07/2009 |
| 7556366 | Ink cartridge A joint member is made of an elastic member whose cross sectional shape is an almost M-character shape and which has: an inserting portion formed with an opening portion and a slit; an outer edge portion as an outer peripheral portion of the joint member; and a supp... | 07/07/2009 |
| 7556364 | Ink cartridge with self sealing outlet valve An ink cartridge for an inkjet printhead, the ink cartridge comprising: an ink storage volume; an outlet opening with an outlet valve for connection to an inlet on the printhead, the outlet valve having a stem positioned in the outlet opening, the stem having a radi... | 07/07/2009 |
| 7556362 | Pressure control valve unit and liquid ejecting apparatus This invention is a pressure control valve unit including: a unit substrate; a first valve chamber provided at one side of the unit substrate, forming a part of a first liquid flow-path; a second valve chamber provided at the other side of the unit substrate, formin... | 07/07/2009 |
| 7556363 | Ink remainder detecting module for ink jet apparatus, ink container with same and ink jet apparatus An ink remaining amount detection module, mountable to an ink container, for detection of an ink remaining amount in an ink container for ink jet recording, the ink remaining amount detection module, includes a support substrate; at least one detection electrode pro... | 07/07/2009 |
| 7553006 | Ink cartridge An ink cartridge has a housing with at least one ink container having an ink outlet extending to the outside and in which a differential pressure valve is mounted. The valve has a valve opening and a valve body which can move relative to it and which (relative to th... | 06/30/2009 |