US Patent: 858,808
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Attachment for Milling Machines
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Patentees:
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Edward Grotz (exact or similar names) - Chicago, Cook County, IL |
James Walker Kennedy (exact or similar names) - Chicago, Cook County, IL |
USPTO Classifications: |
82/19 |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Aug. 28, 1905 |
Granted: |
Jul. 02, 1907 |
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Joel Havens
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