Patent NL161638C successfully refreshed from Google Patents.
NL161638C
Expired / Lapsed
NL
⏱️ 0.0 years remaining
ECHO SUPPRESSION DEVICE.
Assignee: Western Electric Co
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Filing: 1967-10-31
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Granted: 1980-02-15
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Expires: 1987-10-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
NL
Data Source
google_patents
Last Synchronized
2026-11-01 06:45
CPC Classifications
H; H04; H04B; H04B3/00; H04B3/02; H04B3/20; H04B3/23; H04B3/238
Claims Analysis
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References Cited (Backward Citations)
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