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US Patent: 4,767,175
Rotary device for transmitting light signals including annular photoelectric transducers
Patentees: Christian Böhner (exact or similar names) - Schüsselfeld, West Germany Harold Gähr (exact or similar names) - Unterensingen, West Germany Gerhard Wohlhaupter (exact or similar names) - Frickenhausen, West Germany USPTO Classifications: 250/227.11, 250/227.28, 250/551, 385/88, 385/89 Tool Categories: Assignees: E. Wohlhaupter & Co. - Frickenhausen, Germany Manufacturer: E. Wohlhaupter & Co. - Frickenhausen, West Germany Witnesses: Unknown	Patent Dates: Applied: Jul. 26, 1985 Granted: Aug. 30, 1988 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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