US Patent: 1,003,997
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Wrench
Foldable Wrench With Sliding Fastener
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Patentee:
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| Albert Dudly, Sr. (exact or similar names) - Menominee, MI |
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Patent Dates:
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| Applied: |
Apr. 04, 1911 |
| Granted: |
Sep. 26, 1911 |
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Patent Pictures:
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Albert Dudly Sr. patent September 26. 1911 |
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Stan Schulz
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Description: |
| A stamped steel wrench comprised of two halves pivoted to fold, and with slots and a sliding bolt to hold the halves in folded or extended position.
The tool was announced to the trade in fall, 1911 as a set of four in leather case. One 1911 write-up gives the range of sizes and notes the openings include a "gas tank key" (a.k.a. PREST-O-LITE KEY). A known example of a single wrench from a set is marked DUDLY TOOL CO. PAT. APLD. FOR. |
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