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"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 6377339 | Document imaging system incorporating a selectively opaque/transparent liquid crystal platen A method and apparatus for document imaging is disclosed. The apparatus uses a flatbed scanner with a selectively opaque/transparent liquid crystal platen. The platen is divided into controllable segments defined by an electrode pattern formed within the ... | 04/23/2002 |
| 5781694 | Heatsensitive stencil sheet perforating device The heatsensitive stencil sheet perforating device of this invention includes a pedestal for an original mounted thereon; a pressing body attached pivotaly on one end of the pedestal for supporting a heatsensitive stencil sheet on an area corresponding to... | 07/14/1998 |
| 5319337 | Composite molding of resin-bonded magnet for machine parts and process for producing the same A machine part used as a magnet roll for developing and a process for producing the same. The machine part constitutes a member of a developing machine for an electrophotographic process such as a copier and facsimile, and a laser printer as well. The mac... | 06/07/1994 |
| 5220481 | Composite to enable contact electrostatic voltage sensing A contact for use in contacting a moving photoreceptor surface, is formed from a structure (preferably a pultrusion) including a plurality of continuous strand fibers of high electrical resistance, and a thermally stable insulating component between the r... | 06/15/1993 |
| 4218137 | Isolating member for use in contact printing Apparatus and method are disclosed for use in contact printing information from a master record carrier onto a replicate material of a type that emits a gas during the contact print exposure (e.g., a diazo film emulsion). Even though the master record car... | 08/19/1980 |
| 4204736 | Method and device for contact-printing In contact-printing the image of a transmission type original on a photosensitive plate material positioned on a printing stage, the original is in advance fixed to a transparent sheet which is movable between an open position and a closed position. The o... | 05/27/1980 |
| 4184428 | Perforating-printing device for making and using thermal stencils A device which may be operated in a mode of thermally perforating thermal stencils, and another mode of producing printed copies by employing the perforated thermal stencils, wherein the thermal stencils are provided as a particular type of framed assembl... | 01/22/1980 |
| 4157222 | Document hold-down cover for use in copying apparatus A document hold-down device in a copying apparatus includes a rectangular relatively stiff plate and a relatively stiff anchoring bar spaced from and parallel to the plate rear edge, the bar and plate being sandwiched between flexible synthetic resin shee... | 06/05/1979 |
| 3932037 | Original holder plate for copying machine An original document holder for application in electrophotographic copiers of the instantaneous exposure type which use high intensity xenon flash lamps. The holder is a box-shaped cover with at least one movable, spring-closed side such that extra large,... | 01/13/1976 |
