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US1449382 (A)
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Bibliographic data: US1449382 (A) ― 1923-03-27
Method and means for signaling with high-
No documents available for this priority number.
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US1449382 (A)
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Method and means for signaling with high- |
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| Inventor(s): | CARSON JOHN R + (CARSON JOHN R) | ||||
| Applicant(s): | AMERICAN TELEPHONE & TELEGRAPH + (AMERICAN TELEPHONE AND TELEGRAPH COMPANY) | ||||
| Classification: |
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| Application number: | US19150064524 19151201 | ||||
| Priority number(s): | US19150064524 19151201 ; US19150064005 19151129 | ||||
| Also published as: | |||||