US Patent: RE27,654
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Cutter-head structure
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Patentees:
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Daniel Hill (exact or similar names) - Kelowna, BC Canada |
Frederic F. Chapman (exact or similar names) - Coquitlam, BC Canada |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
May 17, 1971 |
Granted: |
Jun. 05, 1973 |
Reissue Information: |
Reissue of 3,487,865 (Jan. 06, 1970) |
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Jeff Joslin
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