FR Patent: FR-489,933
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Machine à canneler et détalonner les mèches américaines
Machine for sharpening helicoidal drill tips
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Patentees:
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| Percy Hunt (exact or similar names) - Manchester, England |
| Herbert William Hunt (exact or similar names) - Manchester, England |
| Herbert Hunt (exact or similar names) - Manchester, England |
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Patent Dates:
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| Applied: |
May 01, 1918 |
| Granted: |
Mar. 22, 1919 |
Espacenet patent
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Jeff Joslin
Vintage Machinery entry for Herbert Hunt & Sons, Ltd.
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Description: |
| This design was later improved in French "E" series patent FE-23,110. |
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