US Patent: 1,438,236
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Folding Rule
Joint for Zig-Zag Folding Rules
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Patentees:
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| Walter H. Hart (exact or similar names) - New Britain, CT |
| David Gould (exact or similar names) - New Britain, CT |
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Patent Dates:
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| Applied: |
Sep. 12, 1921 |
| Granted: |
Dec. 12, 1922 |
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Ralph Brendler
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Description: |
| One of three folding rule joint patents issued to Stanley on this date (see also 1,438,234 and 1,438,235). This patent date is marked on some zig-zag rules, but it is not clear exactly which patent(s) are used since hte three patents are all very similar. |
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