US Patent: 628,110
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Tapping-machine
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Patentee:
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Oscar Mueller (exact or similar names) - Decatur, IL |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Apr. 01, 1899 |
Granted: |
Jul. 04, 1899 |
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Jeff Joslin
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Description: |
"This invention is intended to provide a cheap and superior substitute for the old-style 'crow-hook' dry-pip and gas tapping machine." |
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