ES43555A2 - Improvements in telephone receivers. - Google Patents

Improvements in telephone receivers.

Info

Publication number
ES43555A2
ES43555A2 ES43555A ES43555A ES43555A2 ES 43555 A2 ES43555 A2 ES 43555A2 ES 43555 A ES43555 A ES 43555A ES 43555 A ES43555 A ES 43555A ES 43555 A2 ES43555 A2 ES 43555A2
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
ES43555A
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.)
Marcer Oliver Pedro
Original Assignee
Marcer Oliver Pedro
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 Marcer Oliver Pedro filed Critical Marcer Oliver Pedro
Priority to ES43555A priority Critical patent/ES43555A2/en
Publication of ES43555A2 publication Critical patent/ES43555A2/en
Expired legal-status Critical Current

Links

ES43555A 1908-06-23 1908-06-23 Improvements in telephone receivers. Expired ES43555A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES43555A ES43555A2 (en) 1908-06-23 1908-06-23 Improvements in telephone receivers.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES43555A ES43555A2 (en) 1908-06-23 1908-06-23 Improvements in telephone receivers.

Publications (1)

Publication Number Publication Date
ES43555A2 true ES43555A2 (en) 1908-08-01

Family

ID=69373865

Family Applications (1)

Application Number Title Priority Date Filing Date
ES43555A Expired ES43555A2 (en) 1908-06-23 1908-06-23 Improvements in telephone receivers.

Country Status (1)

Country Link
ES (1) ES43555A2 (en)

Similar Documents

Publication Publication Date Title
ES43555A2 (en) Improvements in telephone receivers.
ES42877A1 (en) Improvements in telephone receivers.
ES42554A1 (en) Improvements in high-voice telephone sets.
ES39864A1 (en) Improvements in telephone sets.
ES43466A1 (en) Improvements introduced in telegraphic devices.
ES42679A1 (en) Improvements in relays.
FR393541A (en) Telephone receiver
ES44265A1 (en) Improvements in carburettor devices.
ES45318A1 (en) Improvements introduced in the dictograph telephone sets.
ES41623A1 (en) Improvements in telephone transmitters.
ES42858A1 (en) Improvements in gas elements.
ES42596A1 (en) Ejector improvements.
ES51937A1 (en) Improvements in telephone receivers.
CH42254A (en) Self-collecting telephone station
ES42562A1 (en) Improvements in telegraph devices.
ES43619A3 (en) Improvements in the diaphragms of speaking machines.
ES43452A3 (en) Improvements in cinematographic devices.
ES52017A1 (en) Improvements in telephone transmissions.
ES47481A1 (en) Improvements in telephone receivers.
FR391280A (en) Improvement in telephone receivers
AT68453B (en) Telephone relay.
ES39975A2 (en) An improvement introduced in the microphones.
DK10395C (en) Telephone exchange.
ES38125A1 (en) Improvements in wireless phones.
ES42282A1 (en) Improvements in accumulators.