Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7350309 | Extendable spacer device A spacer device for laser-optical measurement of hollow cylinders has at least two, preferably three arms which are coupled or interlaced with one another and which can be moved relative to one another. Each of the arms has a measurement roller on one end which is b... | 04/01/2008 |
| 7331117 | Calcaneal bisector A calcaneal bisector for indicating a calcaneal bisection line of a heel firstly includes a frame and a first plate mounted relative to the frame. One side of the heel can be aligned to the first plate when the bisector is in use. The bisector also includes a second... | 02/19/2008 |
| 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 |
| 5058281 | Control system for ruling blazed, aberration corrected diffraction gratings The grooved surface of an aberration-corrected holographic model grating is sensed by utilizing the sensing head of a scanning tunneling microscope. The sensing head is mechanically connected to a blazing type stylus for replicating the groove pattern of ... | 10/22/1991 |
| 4945643 | Amusement apparatus for drawing a distorted caricature by tracing an original photograph or the like This very simple apparatus enlarges in one direction, and copies without enlargement in an orthogonal direction. A tracing arm has a tracing stylus at one point, a drawing-implement holder at another point, and a longitudinal track along another part of t... | 08/07/1990 |
| 4554740 | Pantographs The disclosure illustrates a pantograph comprising a pair of parallel guides slideably and pivotally mounted on a base support which is mounted to a table. A saddle supporting a stylus is mounted on one end of the guides and another saddle slideable on th... | 11/26/1985 |
| 4180823 | Control device for controlling the movements of two carriages of a duplex recorder A control device for controlling the movements of first and second recording means support-carriages of a two-carriage duplex recorder, comprising a flexible elongated traction means connected to said first carriage, and drive means associated with said t... | 12/25/1979 |
| 4041652 | Apparatus for engraving the sidewall of a tire A portable apparatus which can be used by local tire distributors to customize a tire by forming in the sidewall of the tire, personalized indicia requested by the owner of the tire. The apparatus has a support for holding the desired pattern of indicia, ... | 08/16/1977 |
| 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 |
