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 |
| 3976887 | X-ray examination apparatus An X-ray examination apparatus, including an adjustable optical X-ray diaphragm or focusing means; and an examination table having a cassette drawer carriage displaceable along the examination table located directly below the patient support platform of t... | 08/24/1976 |
| 3975642 | Image section of an X-ray apparatus The invention relates to an image section of an X-ray apparatus for medical applications, comprising a control unit which completely or partly closes the diaphragm during the movement of the cassette from the parking position to the recording position. Th... | 08/17/1976 |
| 3968374 | X-ray cassette holder having lever means for positionally adjusting a cassette supporting member An X-ray cassette holder is constructed for use with X-ray equipment to properly position a rectangular film cassette having the longitudinal axis of the cassette oriented either horizontally or vertically. The cassette is received between a pair of verti... | 07/06/1976 |
| 3947689 | Automatic system for precise collimation of radiation A radiographic system comprising a radiation source disposed to direct a beam of radiation through an adjustable aperture in an aligned beam-limiting device and onto an image receptor located at a selected distance from the source, and automatic means for... | 03/30/1976 |
| 3937966 | Accelerator beam profile analyzer A beam profile analyzer employing sector or quadrant plates each servo controlled to outline the edge of a beam.... | 02/10/1976 |
| 3936642 | X-ray film-handling arrangement for x-ray diagnostic apparatus An X-ray film-handling arrangement for taking X-ray photographs in which the length of the format is variable, including a movable leaded mask which may cover part of the exposure field and a device for feeding and transporting the film comprising conveyo... | 02/03/1976 |
