US Patent: 588,422
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Mechanical or Drop Hammer
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Patentee:
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Carl Grüber (exact or similar names) - Schwerte, Westphalia, Germany |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
May 11, 1895 |
Granted: |
Aug. 17, 1897 |
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Joel Havens
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Description: |
Patented in England, 22 Mar., 1895, patent #6,014 and in Germany, 28 Dec. 1895, patent #84,637. |
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