US Patent: 1,473,558
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| Punch
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Patentee:
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| John Jensen (exact or similar names) - Rockford, Winnebago County, IL |
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Patent Dates:
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| Applied: |
Nov. 09, 1922 |
| Granted: |
Nov. 06, 1923 |
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Joel Havens
"Vintage Machinery" entry for Roper Whitney, Inc.
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Description: |
| "Hand metal punches are especially adapted for use in building structures where scaffolds are not provided and in other places ordinarily inaccessible. In many places it is frequently desirable that the punch require very little space in which to operated..." |
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