US Patent: 434,060
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Machine for Corrugating Tubes
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Patentees:
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John S. Hansen (exact or similar names) - Medford, Middlesex County, MA |
Charles D. Wainwright (exact or similar names) - Medford, Middlesex County, MA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Mar. 30, 1889 |
Granted: |
Aug. 12, 1890 |
USPTO (New site tip) Google Patents
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Joel Havens
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