US Patent: 3,487,865
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Cutter-head
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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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Granted: |
Jan. 06, 1970 |
Reissue Information: |
Reissued as RE27,654 (Jun. 05, 1973) |
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Jeff Joslin
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