US Patent: 4,484,469
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| Luminosity Probe with Positively Retained Light Pipe
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Patentees:
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| Donald D. Grover (exact or similar names) - Kenosha, WI |
| Ralph H. Mueller (exact or similar names) - Auburn, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 09, 1983 |
| Granted: |
Nov. 27, 1984 |
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Stan Schulz
Snap-On Tools Company History
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Description: |
| Emrich & Dithmar - patent attorneys
Abstract
The luminosity probe includes an elongated tubular member having a bore extending therethrough. Within the bore is a light pipe having a diameter less than the diameter of the bore so as to create an annulus therebetween. Such annulus is filled with epoxy.
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