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Ballistic resistant body covering
A ballistic resistant body covering for protecting the torso, groin and neck area from ballistic missiles.
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| Number | Title | Issue Date |
| 7278217 | Trigonometric teaching aid A trigonometric teaching aid for providing students with real life applications for the principles of trigonometry includes a transit assembly having a sight tube with cross hairs, a level and an upper protractor pivotally connected to an upper end of a vertical sca... | 10/09/2007 |
| 7051445 | Apparatus generating a light illuminated line An improved apparatus generating light illuminated line provides a possibility to produce and propagate the light line along the reference surface under any desirable angle. The improved apparatus generating light illuminated line includes a circular scale means com... | 05/30/2006 |
| 7038770 | Virtual-tight-wire system for assembly and repair of rotary machinery A virtual-tight-wire system is provided for determining a centerline in a large rotary machine (10). The virtual-tight-wire system includes a columnar light source (30) that is positioned at one end of the rotary machine (10). A columnar beam of... | 05/02/2006 |
| 6948252 | Light projecting goniometer This device is a handheld, battery-operated instrument that utilizes light beams to project visible lines for increasing the accuracy in determining angles. A linear potentiometer is incorporated at the pivot point between the two diodes and measures a voltage chang... | 09/27/2005 |
| 6501536 | Method and apparatus for determining the location of an occupant of a vehicle A method and apparatus for use in locating the eyes of a vehicle driver or passenger in a vehicle for controlling vehicle systems including the positioning of vehicle sideview mirrors in relation to the driver's eyes to maximize the view of traffic on eit... | 12/31/2002 |
| 6453568 | Laser protractor A laser protractor comprising two laser pointers fixed in a body to point exactly 90° apart in the same plane and a third laser pointer mounted on a movable arm rotatable about an axis perpendicular to the intersection of the first two laser pointers (as... | 09/24/2002 |
| 5088203 | Method and apparatus for eye glasses position measurement system and/or for vertex measurement system An eyeglasses measuring system comprises a fixed light source which projects a light beam onto two reflecting mirrors. The reflecting mirrors split the light beam into two separate light beams. One of the beams is positioned so that it tangentially illumi... | 02/18/1992 |
| 5046259 | Underwater measuring systems and methods Measuring systems for making underwater measurements of relative positions and distances between a plurality of objects positioned on an ocean or lake floor basically include (a) at least one laser or other light source capable of projecting a collimated ... | 09/10/1991 |
| 4428668 | Range indicating device An optical range indicating device, having no moving parts, having a pair of mirrors arranged to embody the principle of triangulation, one of the mirrors being positioned to sight the object to be viewed and having thereon distance indicating indicia, th... | 01/31/1984 |
| 4219939 | Method and device for surveying the basal area of a forest stand The present invention relates to a method and device for carrying out a survey of the basal area of a forest stand and the distribution of the individual trees with respect to diameter classes. The device of the invention comprises a caliper combined with a re... | 09/02/1980 |
| 4063805 | Ophthalmic measuring instrument A measuring instrument particularly adapted to making accurate measurements of portions of the eye and contact lenses is characterized by a split mirror system in which one mirror is fixed and a second mirror rotates upon movement of handle-pointer associ... | 12/20/1977 |
| 4057906 | Navigational instruments A portable navigational instrument has edge portions which are adjusted so that the instrument's orientation with respect to a vessel can be maintained constant in different positions within the vessel's wheelhouse. Bearings of objects are determined by a... | 11/15/1977 |
