Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7174619 | Methods of making microstructured lamina and apparatus The present invention relates to methods of making microstructured laminae for replication and apparatus. In a preferred embodiment, the invention relates to machining V-shaped grooves on individual lamina forming cube-corner microstructures. ... | 02/13/2007 |
| 7130034 | Metrology system and method for measuring five degrees-of-freedom for a point target A metrology system includes a laser, a position sensitive detector array, a first collimator, a second collimator, and a mirror. The position sensitive detector array and the first collimator are positioned at a reference point. The second collimator and the mirror ... | 10/31/2006 |
| 7024787 | Template for evaluating parts and method of using same A template for evaluating a part, comprising: a surface having a shape corresponding to the part; and at least one element on the surface corresponding to a desired location of a feature on the part. A method of evaluating a part, comprising the steps of: providing ... | 04/11/2006 |
| 6425188 | Optoelectric apparatus for the dimension and/or shape checking of pieces with complex tridimensional shape An optoelectronic apparatus for the dimension and/or shape checking of pieces, more specifically pieces with complex tridimensional shape, as the supports for magnetic read/write heads (33, 47, 63) for hard disk storage units, comprises a base (1) with tw... | 07/30/2002 |
| 6418604 | Method of fabricating die coater parts A method of preparing a surface on a die coater to improve the uniformity of the coating layer on the substrate. A surface of the die block is machined. The die block is then positioned on a measuring surface in a free state so that the machined surface b... | 07/16/2002 |
| 6332275 | Margin inspector for IC wafers A margin inspector for IC wafers includes an upper plate and a supporting portion. The upper plate, which is formed as a transparent plate, has a plurality of concentric circular segments thereon for establishing a set of reference lines to examine the pe... | 12/25/2001 |
| 6293027 | Distortion measurement and adjustment system and related method for its use A technique for measuring distortion in a structure of interest, such as a spacecraft antenna reflector (18), and optionally compensating for the distortion. A first set of targets (22) on the structure (18) is scanned by an attitude transfer system (24) ... | 09/25/2001 |
| 5283630 | Error correcting method for measuring object surface using three-dimension measuring apparatus A three-dimension measuring apparatus having a probe, such as non-contact optical probe, is used to measure the surface of an object, such as an aspherical lens. Initially, the apparatus is used to obtain reference probe measured values of a reference sph... | 02/01/1994 |
| 5065518 | Food product measuring device A measuring device for allowing a user to rapidly determine that an article such as a tortilla is properly sized and shaped. The measuring device consists of a transparent disc that is supported by a handle. The transparent disc includes a minimum size li... | 11/19/1991 |
| 4956764 | Assembly data model tool system A tool system for an integrated manufacturing and assembly system includes a plurality of profile boards which are connected together with connector boards. The profile board include a profile edge which define a mold line surface. Each of the profile boa... | 09/11/1990 |
| 4625412 | Apparatus and method for measuring the wear of railroad rail An apparatus and method is provided for measuring the wear in the cross-sectional profile of a railroad rail. A carriage is adapted for travel along the length of the rail and includes means for moving transversely with respect to its direction of travel ... | 12/02/1986 |
| 4601110 | Fixture device An invention is disclosed for positioning an object wherein three point supports provide three contact points which define a first plane. Three additional point supports provide three additional contact points which are not coplanar with the first plane a... | 07/22/1986 |
| 4566192 | Critical dimension measurement structure A pattern for determining dimensions of projected or printed figures is provided having individual scaling figures therein on a mask or template. Dimensional measurement may be indicated by alignment of opposing edges of scaling figures offset from each o... | 01/28/1986 |
