GB Patent: GB-189,414,557
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Improvements in ball-bearings
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Patentee:
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Robert Frederick Hall (exact or similar names) - Birmingham, England |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Jul. 26, 1894 |
Granted: |
Jun. 01, 1895 |
Espacenet patent
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Jeff Joslin
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Description: |
The inventor was managing director of the Cycle Components Mfg. Company Limited. |
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