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AT169056B
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Speaking or listening heads for devices for sound recording on magnetic sound writing carriers
Assignee: Lois Ing Leitner
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Filing: 1949-04-07
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Granted: 1951-10-10
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Expires: 1969-04-07
Abstract
No abstract record available.
Inventors
- 👤 Lois Ing Leitner
Bibliographic Details
Application Number
—
Jurisdiction
AT
Data Source
google_patents
Last Synchronized
2026-10-26 08:01
CPC Classifications
H; H04; H04R; H04R25/00; H04R2225/00; H04R2225/49
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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