Line powered transformerless loudspeaking telephone
IL63653A0Inactive Publication Date: 1981-11-30WESTERN ELECTRIC CO INC
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Patent Information
- Application Number
- IL63653
- Authority / Receiving Office
- IL · IL
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 1980-08-29
- Filing Date
- 1980-08-25
- Publication Date
- 1981-11-30
- Estimated Expiration
- Not applicable · inactive patent
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