US Patent: 393,036
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Punching and Shearing Machine
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Patentees:
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Wright Sleeper (exact or similar names) - Coaticook, Stanstead County, QC Canada |
Charles W. Sleeper (exact or similar names) - Island Pond, Essex County, VT |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Apr. 06, 1888 |
Granted: |
Nov. 20, 1888 |
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Joel Havens
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