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AT Patent: AT-199,055
Einrichtung Zur Anzeige Der Tiefenschärfe
Device for Displaying the Depth of Field
Patentees:
Hans Deckel (exact or similar names) - Munich, Germany
Friedrich Wilhelm Deckel (exact or similar names) - Zug, Switzerland

USPTO Classifications:

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Feb. 10, 1955
Granted: Aug. 11, 1958

Patent Pictures:
Report data errors or omissions to steward Joel Havens

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