CH Patent: CH-341,710
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Irisblende, Insbesondere Für Photographische Zwecke
Iris Diaphragm, Especially for Photographic Purposes
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Patentees:
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| Hans Deckel (exact or similar names) - Munich, Munich District, Bavaria Germany |
| Friedrich Wilhelm Deckel (exact or similar names) - Munich, Munich District, Bavaria Germany |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 16, 1955 |
| Granted: |
Oct. 15, 1959 |
Espacenet patent
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Joel Havens
Vintage Machinery entry for Friedrich Deckel GmbH
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