DE Patent: DE-70,720
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| Schraubenschlüssel mit verstellbarer Maulweite
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Patentee:
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| Hermann Kockler (exact or similar names) - Berlin, Germany |
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Patent Dates:
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| Granted: |
Aug. 19, 1893 |
| Antedated: |
Jun. 26, 1892 |
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Patent Pictures:
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German patent 70720 - composite edited image |
Espacenet patent
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Stan Schulz
German patent 70720 in ESPACENET
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Description: |
| Improvement to German patent DE-38,533. The drawing and discussion focus on the double jaw form. The resulting patent has the expiration date of the original patent. An item in the May 5, 1894 Centralblatt der Bauerverwaltung notes the wrench was produced in three sizes by Actien-Gesellschaft ARCHIMEDES, Berlin.
German patent Klasse 87 (a) Gruppe 7. |
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