GB Patent: GB-423,259
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| Improvements in devices for cutting circular holes, discs, washers or the like
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Patentees:
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| Frederick William Francis (exact or similar names) - Birmingham, England |
| William Arthur Smith (exact or similar names) - Birmingham, England |
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Patent Dates:
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| Applied: |
Oct. 11, 1933 |
| Granted: |
Jan. 29, 1935 |
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Patent Pictures:
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1 | 2
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Image courtesy Geoff Emms |
Espacenet patent
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Jeff Joslin
Grace's Guide page on Smith Francis Tools
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Description: |
| The co-inventors were the owners of Smith Francis Tools Ltd., established in 1934 and operators of the Priory Works in Birmingham. An example of this circle cutter is marked "PRIORY ENGLAND" and "PAT.NO 423259". |
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