GB Patent: GB-370,382
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| Improvements in automatic friction drop stamps
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Patentees:
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| Harold Fletcher Massey (exact or similar names) - Manchester, County of Lancaster, England |
| Lionel Wraith Wells (exact or similar names) - Manchester, County of Lancaster, England |
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Patent Dates:
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| Applied: |
Oct. 03, 1930 |
| Granted: |
Apr. 04, 1932 |
Espacenet patent
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Jeff Joslin
Vintage Machinery entry for B. & S. Massey
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Description: |
| The inventors and assignees are all described as being of "The Steam Hammer Works, William Street, Manchester, Manchester". "Drop stamp" and "stamp" are synonyms for drop hammer. |
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