Did You Know...
...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!
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| Number | Title | Issue Date |
| 5252912 | System for warning aircraft pilot of potential impact with a power line and generating time-to-time impact signal A detector for use on board an aircraft traveling along a path of movement to detect a power line comprises an antenna for sensing the electric field associated with the power line and producing an electric field signal, and a signal processor for receivi... | 10/12/1993 |
| 5250839 | Multi-layer leadframes, electrically conductive plates used therefor and production of such conductive plates A multi-layer leadframe according to this invention is formed by laminating on a leadframe body an insulating layer and an electrically conductive layer in this order. The electrically conductive plate includes a planar portion and a given number of termi... | 10/05/1993 |
| 5246304 | Framing system A framing system is disclosed made of frame members and joint members. The frame members are of U-section and the ends are inserted into and imprisoned in the open ends of the joint members which are L-shaped, T-shaped, V-shaped, X-shaped or Y-shaped. The... | 09/21/1993 |
| 5243343 | Signal acquisition system utilizing ultra-wide time range time base A signal acquisition system using an ultra-wide time range digitizer with variable time interval data sampling and data storage includes signal conditioning and sampling stages, a digitizing stage for generating digital representations of a signal, and a ... | 09/07/1993 |
| 5241182 | Precision electrostatic lens system and method of manufacture A precision electrostatic lens system is formed from lens electrodes having high precision inner bores by aligning said bores on a ceramic rod, inserting segmented glass spacers between adjacent electrodes, and brazing the combination together to provide ... | 08/31/1993 |
| 5237897 | Automatic bandmill strain and saw tracking method and apparatus The invention provides a bandmill having an endless loop of bandsaw blade which is automatically strained to a desired tension, and automatically driven at an accurate location or tracking position. The bandmill runs on a pair of spaced co-planar wheels, ... | 08/24/1993 |
| 5234014 | Fuel control governor A mechanical fuel control governor employs a flyweight assembly for lifting the spindle of a fuel valve and allowing fuel to be bypassed from a high pressure line. The spindle is rotated via a fluid coupling between the ball head and the drive spindle suc... | 08/10/1993 |
| 5233808 | Method of constructing a building The interior of a building having a framework composed of vertical structural elements and horizontal floor levels is constructed by installing prefabricated room units, each having walls and a ceiling, in the framework. The room units are sized and posit... | 08/10/1993 |
| 5221111 | Skateboard accessory to assist in airborne maneuvers A skateboard accessory for attaching a stretchable handle member or one or more of a variety of such handles to a point near the center of the skateboard in a readily disconnectable manner that does not protrude from or take up space on the surface of the... | 06/22/1993 |
