DE Patent: DE-4,803
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| Neuerungen an Schraubenschlüsseln
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Patentee:
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| A. Burchard (exact or similar names) - Berlin, Germany |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Apr. 28, 1879 |
| Antedated: |
Aug. 02, 1878 |
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Patent Pictures:
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German patent 4803 - composite edited image |
Espacenet patent
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Stan Schulz
German patent 4803 in ESPACENET
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Description: |
| Teeth on the facing surfaces of the fixed and pivoted handles engage to hold the adjustment.
German patent Klasse 87 (a) Gruppe 8. |
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