ES90653A1 - Improvements in headsets for telephones. - Google Patents

Improvements in headsets for telephones.

Info

Publication number
ES90653A1
ES90653A1 ES90653A ES90653A ES90653A1 ES 90653 A1 ES90653 A1 ES 90653A1 ES 90653 A ES90653 A ES 90653A ES 90653 A ES90653 A ES 90653A ES 90653 A1 ES90653 A1 ES 90653A1
Authority
ES
Spain
Prior art keywords
headsets
telephones
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
ES90653A
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.)
BRANDES Ltd
Original Assignee
BRANDES 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 BRANDES Ltd filed Critical BRANDES Ltd
Priority to ES90653A priority Critical patent/ES90653A1/en
Publication of ES90653A1 publication Critical patent/ES90653A1/en
Expired legal-status Critical Current

Links

ES90653A 1924-08-30 1924-08-30 Improvements in headsets for telephones. Expired ES90653A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES90653A ES90653A1 (en) 1924-08-30 1924-08-30 Improvements in headsets for telephones.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES90653A ES90653A1 (en) 1924-08-30 1924-08-30 Improvements in headsets for telephones.

Publications (1)

Publication Number Publication Date
ES90653A1 true ES90653A1 (en) 1924-11-01

Family

ID=64254687

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90653A Expired ES90653A1 (en) 1924-08-30 1924-08-30 Improvements in headsets for telephones.

Country Status (1)

Country Link
ES (1) ES90653A1 (en)

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