Did You Know...
...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!
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| Number | Title | Issue Date |
| 6021575 | Tracing system A new tracing system for tracing complex profile shapes. The inventive device includes a right triangular base comprising a vertical side portion and a horizontal base portion. A diagonal connecting brace extends between the vertical side portion and the ... | 02/08/2000 |
| 5325840 | Watch crystal cutting machine A pattern holding assembly and a crystal material holding assembly are paired on opposed ends of a shaft passing transversely through a base unit such that the pattern and the crystal material are simultaneously rotated with a driven shaft through 360 deg... | 07/05/1994 |
| 5193282 | Rotating body tracing control apparatus A rotating body tracing control apparatus which performs a tracing while rotating a model and a workpiece. A plurality of point coordinates (P1 or P10) are set on the outer peripheral surface of the model (6), which points depend on a position of the cent... | 03/16/1993 |
| 5095625 | Adhesive applicator for contoured surfaces A method of causing an object to follow a fixed path comprises the steps of forming a rod into the shape of the fixed path, locating the object a fixed and precise distance from the rod by attaching the object to a rigid member which follows the rod and t... | 03/17/1992 |
| 4694579 | Device for guiding a tool along a curve Apparatus to guide a tool along a curved template, has a curve follower connected to the tool, the curve follower includes two rotatable elements, one of which is driven and the other is freely rotatable. The two rotatable members resiliently contact the ... | 09/22/1987 |
| 4571836 | Pantograph A drafting instrument for tracing ellipses and other curves adapted for the use with templates of such curves, comprising a set of links pivotally connected at each end, and disposed in parallel to constitute two pairs of opposite sides of rhombus link me... | 02/25/1986 |
| 4390491 | Three dimensional contour apparatus and method A method and means for contructing a three dimensional contour relief map, or the like, which comprises a housing having the opposite ends thereof open and having a plurality of upright side-by-side tubes disposed therein, the lower open end of the housin... | 06/28/1983 |
| 4221052 | Sign cutting machine The invention pertains to apparatus for forming signs with a motor driven router. A frame defines a surface for supporting the sign panel to be routed, usually wood, and for supporting the letter forming templates. A carriage linearally movable upon the f... | 09/09/1980 |
| 4193723 | Template cutting device A template cutting device suitable for transferring onto a rotatable plain unworked template the lateral profile of a shaped sample piece that passes substantially perpendicularly to the device, which is specially suitable for use in machines which make s... | 03/18/1980 |
| 4165563 | Automatic pilot apparatus for a printer Pilot apparatus for a printer includes a program mill which can be set for printing of a character such as the numeral "3". A guide unit, to which a printing element is connected, is actuated by the program mill by way of motors or the like which are able... | 08/28/1979 |
| 4134210 | Guide template for sewing machines A guide template for sewing machines in which a driven roller follows along the template's contour to sew workpieces of different form and/or size. The template has a number of sections which are movable relative to one another. For purposes of lengthenin... | 01/16/1979 |
| 4117751 | Apparatus for incising on a film the precise contour of a required image The invention relates to an apparatus for incising on a film to be processed the precise contour of a required photographic image so as to obtain a process block for prints in which such photographic image is to be inserted. The apparatus comprises a data... | 10/03/1978 |
| 3991636 | Control apparatus for a machine for cutting a workpiece The invention concerns a control apparatus for machines designed to operate on a workpiece. The apparatus comprises a programming element consisting of a disc which has concentric tracks of varying transparency or reflectance; an optical scanner comprisin... | 11/16/1976 |
| 3958471 | Method of and apparatus for manufacturing workpieces having polygonyl inner and outer contours Methodwise this disclosure relates to the manufacture of workpieces having polygonal inner or outer contours based upon radii of predetermined inner and outer circles with n being the number of angles of the desired polygon, the method including the steps... | 05/25/1976 |
| 3956828 | Stylus for sign-making machine In a sign-making machine, a stylus is mounted within the free end portion of an arm carrying a router to follow a template for cutting grooves in a workpiece to produce a sign. The stylus includes a body slidably mounted in the arm for movement between ex... | 05/18/1976 |
