DE Patent: DE-56,842
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| Rohrzange
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Patentee:
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| Franz A. Ibach (exact or similar names) - Remscheid-Vieringhausen, Germany |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Jun. 01, 1891 |
| Antedated: |
Sep. 10, 1890 |
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Patent Pictures:
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German patent 56842 - composite edited image |
Espacenet patent
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Stan Schulz
German patent 56842 in ESPACENET
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Description: |
| Chain wrench; two "hooks" for size options and the main shank screws in to tighten the grip.
German patent Klasse 87 (a) Gruppe 15. |
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