US Patent: 2,416,697
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| Telescope
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Patentees:
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| Erwin J. Kaiser (exact or similar names) - Fond Du Lac, Fond Du Lac County, WI |
| Joseph Dauber (exact or similar names) - Chicago, Cook County, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jan. 30, 1943 |
| Granted: |
Mar. 04, 1947 |
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Joel Havens
"Vintage Machinery" entry for Giddings & Lewis Manufacturing Co.
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Description: |
| Claim:
The invention relates to improvements in telescopes and the focusing mechanism therefor. |
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