ES89139A1 - Improvements in telephone receivers. - Google Patents

Improvements in telephone receivers.

Info

Publication number
ES89139A1
ES89139A1 ES89139A ES89139A ES89139A1 ES 89139 A1 ES89139 A1 ES 89139A1 ES 89139 A ES89139 A ES 89139A ES 89139 A ES89139 A ES 89139A ES 89139 A1 ES89139 A1 ES 89139A1
Authority
ES
Spain
Prior art keywords
telephone receivers
receivers
telephone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES89139A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sterling Telephone & Electric Co Ltd
Original Assignee
Sterling Telephone & Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sterling Telephone & Electric Co Ltd filed Critical Sterling Telephone & Electric Co Ltd
Priority to ES89139A priority Critical patent/ES89139A1/en
Publication of ES89139A1 publication Critical patent/ES89139A1/en
Expired legal-status Critical Current

Links

ES89139A 1924-04-15 1924-04-15 Improvements in telephone receivers. Expired ES89139A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES89139A ES89139A1 (en) 1924-04-15 1924-04-15 Improvements in telephone receivers.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES89139A ES89139A1 (en) 1924-04-15 1924-04-15 Improvements in telephone receivers.

Publications (1)

Publication Number Publication Date
ES89139A1 true ES89139A1 (en) 1924-06-01

Family

ID=64253963

Family Applications (1)

Application Number Title Priority Date Filing Date
ES89139A Expired ES89139A1 (en) 1924-04-15 1924-04-15 Improvements in telephone receivers.

Country Status (1)

Country Link
ES (1) ES89139A1 (en)

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