The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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| Number | Title | Issue Date |
| 7273007 | Portable printer coater A portable printer coater for use with a printing press includes: a counter for indicating wear on seal components, a system for installing and removing the coater without lifting, and a tensioner for improving lifetime of seals in the chambered doctor. The counter ... | 09/25/2007 |
| 7216583 | Numbering process and numbering box to carry out the process The numbering box for typographic numbering in sheet or web fed printing machines, said box numbering with p digits k*n items on said sheets or web for allowing a sequential collecting of said items in the finishing and collating process of layers of q sheets or of ... | 05/15/2007 |
| 7073439 | Rotary press A rotary press is provided that prevents a print from contamination with a color different from a printing color. The rotary press comprising a printing unit made of a set of printing cylinders such as plate and blanket cylinders or plate and impression cylinders fo... | 07/11/2006 |
| 6972860 | Encoding of requests for sample copy output in document assembly trees The concept of a document assembly tree is extended to include in nodes, such as a node describing a sheet 330 or a node describing a compilation 342, a sample interval specification. The sample interval specification is interpreted as a request to pro... | 12/06/2005 |
| 5179896 | Indent printer for plastic pipe and method of use An indent printer having a marking wheel with a plurality of printing heads operatively connected to the periphery thereof, at least one of the printing heads being adjustable to change printing type indicia and at least one support roller being spaced fr... | 01/19/1993 |
| 4889051 | Removable inking device for offset press A detachable printing unit for offset printing presses, which can be incorporated during their manufacture or fitted to existing presses, said unit being defined in that it is composed of an independent inking module 16 (FIG. 3) comprising all the compone... | 12/26/1989 |
| 4825761 | Control system for printing machines, especially numbering machines A printing machine which has a printing cylinder (1) having automatically incremented numbering barrels (2) includes drive means (40-45) which normally maintain the printing cylinder in speed and phase synchronization with a train of documents on a web (1... | 05/02/1989 |
| 4726289 | Offset press numbering and printing attachment An attachment for an offset press defining a frame (20) having a connection to the press with a series of gears interconnecting with a revolving member on the press. A reservoir (48) and three ink rollers provide a transferable ink surface with adjustable... | 02/23/1988 |
| 4724758 | Numering cam for printing machines A numbering cam for a printing press having a numbering device with an operating member to cause indexing of the device, said cam having a cam surface to cause actuation of said operating member by moving said operating member from a rest position to an i... | 02/16/1988 |
| 4367676 | Postage meter value selecting system A value selection system for a postage meter includes a plurality of print wheels rotatably mounted within a print drum. The print drum is coupled to be driven to rotate such that selected print elements on each of the print wheels are moved to imprint a ... | 01/11/1983 |
| 4353297 | Number printing machine for offset press A number printing machine for use with an offset printing press in which, with only a single numbering device, both a present and a successive number printing operation in which a desired number is printed a desired number of times can be carried out. Eit... | 10/12/1982 |
| 4335651 | Setting device for denominations in franking and value stamping machines Setting device for denominations in franking and value stamping machines, including a movable lever having edges being radially curved in a given mutual relationship, pins along which the radially curved edges are guidable, a non-rotatable control disc ge... | 06/22/1982 |
| 4306496 | Automatically controlled numbering machine A numbering assembly is disclosed, which is incorporated into a conventional press of the offset type and may selectively be rendered inoperative if numbering is not desired or printing is stopped, or automatically deactuated during the operation of the o... | 12/22/1981 |
| 4248145 | High speed marking apparatus The apparatus is positioned at the exit end of a high speed printing machine having a cylindrical printing plate on a driven shaft. A framework of the apparatus is mounted to the exit end. A first shaft is journalled to the framework and indicia marking m... | 02/03/1981 |
| 4102264 | Numbering throw-off for collator A low-cost, completely self-contained numbering unit for in-line web collators is provided which includes fully mechanical throw-off apparatus for selectively activating and deactivating the unit in a manner ensuring proper sequential numbering of forms o... | 07/25/1978 |
| 4092920 | Document imprinter A document imprinter, especially for labels, tickets, tags, and the like, having an elastomeric platen with an outermost thin sleeve which is harder than the underlying platen material thereby resulting in sharper printing. The sleeve is preferably of a m... | 06/06/1978 |
| 4085670 | Check digit numbering mechanisms A check digit numbering mechanism for generating check digits in accordance with a check digit load setting utilizes a check digit printing mechanism for printing a check digit on a printing medium including serial reference numerals. The check digit prin... | 04/25/1978 |
| 4044666 | Attachment for offset duplicating machine The attachment device is adapted to be mounted to the delivery end of an offset duplicating machine and includes: a frame; an impression cylinder rotatably mounted to the sidewalls of the frame; a gripper bar device which is also rotatably mounted to the ... | 08/30/1977 |
| 4027585 | Document imprinter A document imprinter, especially for labels, tickets, tags, and the like, including a rotary printing unit having several banks of printing means and corresponding respective setting mechanisms therefor the latter including viewing windows arranged so tha... | 06/07/1977 |
| 4020758 | Type carrier arrangement for roller printing A type carrier arrangement for producing a roller print, which includes a continuously rotating type drum having arranged thereon a plurality of type carriers respectively carrying one type. Each type carrier has one gear segment arranged thereon for prod... | 05/03/1977 |