Bizarre Patents
Vehicular Impact Signaling Device
An apparatus for the deployment of a visible plume to alert other motorists that a proximate motor vehicle has been involved in a collision.
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| Number | Title | Issue Date |
| 7159328 | Measurement gauge incorporating a level Apparatus 10 discloses a handle 32 for manipulating the device and an extending rule portion 18 having a series of markings or measurements 26 embossed along its edge serving as a base of spacing measurement for a pivotally mounted swing ... | 01/09/2007 |
| 5400513 | Image size measuring device The present invention makes possible the quick, accurate analysis of images, especially medical diagnostic images of unknown magnification, to determine the size of objects visible therein, by reference to an object of known size or to determine the magni... | 03/28/1995 |
| 4712308 | Measurement method and apparatus Method and apparatus for interpolating elevation values and related locations from data provided on drawings by using an instrument with a supporting scale bar on which are mounted two slides that each has an extension arm. In use, the slides are set at t... | 12/15/1987 |
| 4655714 | Visual aid for teaching trigonometric functions A planar member 21, is pivotally assembled to a transparent planar member 22, at pivot point 23. On the planar member 21, are the calibrated circle 24, the cosine/secant scale 25, and the sine/cosecant scale 26. On the transparent member 22, are the sine/cosin... | 04/07/1987 |
| 4327500 | Computational aid device for Ekelund ranging A computational aid device for Ekelund range determinations comprising a e member adapted to be placed over a bearing/time plot and including two leg members to be aligned with intersecting bearing rate lines faired through the plot, and a range scale po... | 05/04/1982 |
| 4117313 | Calculator for laying out parking lots A calculator for facilitating the layout of parking lot stalls of desired length and width at a desired angle. The calculator includes a first member having orthogonal length and width scales as well as angle indicators relating to desired stall angle. A ... | 09/26/1978 |
| 4071189 | Slide rule cursor A slide rule cursor which is adapted for use with conventional slide rules to provide direct resolution of the resultant value of parallel and/or series impedances. The cursor is not only movable axially along the body of the slide rule in a conventional ... | 01/31/1978 |
| 3957199 | Navigational aids A course correction calculator for use in light aircraft includes two arms pivotally connected together and each independently pivoted over a map supported on a base. The pivot connecting the two arms is slidable longitudinally along one of the arms and t... | 05/18/1976 |
