US Patent: 3,611,133
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| Dual voltage tool tester
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Patentees:
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| Walter J. Kleszewski (exact or similar names) - Chicago, IL |
| Wood Dale (exact or similar names) - Chicago, IL |
| Athanase N. Tsergas (exact or similar names) - Des Plaines, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 25, 1969 |
| Granted: |
Oct. 05, 1971 |
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Jeff Joslin
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