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FR994075A Expired / Lapsed FR ⏱️ 0.0 years remaining

Microphone

Assignee: Robert Baulu
•
Filing: 1944-12-15
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Granted: 1951-11-12
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Expires: 1964-12-15
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Abstract

No abstract record available.

Inventors

  • 👤 Robert Baulu

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-09 21:41
CPC Classifications
H; H04; H04R; H04R19/00; H04R19/04

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