US Patent: 4,172,481
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| Flail device
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Patentee:
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| Maurice J. Brisson (exact or similar names) - Laval, QC Canada |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 11, 1978 |
| Granted: |
Oct. 30, 1979 |
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Jeff Joslin
Vintage Machinery entry for Forano Ltd.
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Description: |
| "The present invention relates to a flail device and, more particularly, to a rotating device equipped with flails which, under centrifugal force, extend to break or condition objects, such as detaching branches, leaves or bark from trees or conditioning ski slopes, etc." |
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