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AT222300B
Expired / Lapsed
AT
⏱️ 0.0 years remaining
Controller for automatically keeping constant the amount of combustion air supplied per unit of time for heating devices
Assignee: Karl Meller Fa
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Filing: 1957-12-04
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Granted: 1962-07-10
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Expires: 1977-12-04
Abstract
No abstract record available.
Inventors
- 👤 Robert Dipl Ing Dr Tech Sponer
Bibliographic Details
Application Number
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AT
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google_patents
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2026-11-05 21:55
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