ES76663A1 - Improvements in amplifying devices used in wireless telegraphy and telephony. - Google Patents

Improvements in amplifying devices used in wireless telegraphy and telephony.

Info

Publication number: ES76663A1
Authority: ES; Spain
Prior art keywords: telephony; devices used; amplifying devices; wireless telegraphy; telegraphy
Prior art date: 1921-01-04
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

ES76663A

Other languages

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.)

Individual

Original Assignee

Individual

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.)

1921-01-04

Filing date

1921-01-04

Publication date

1921-02-16

1921-01-04 Application filed by Individual filed Critical Individual

1921-01-04 Priority to ES76663A priority Critical patent/ES76663A1/en

1921-02-16 Publication of ES76663A1 publication Critical patent/ES76663A1/en

Status Expired legal-status Critical Current

Links

ES76663A 1921-01-04 1921-01-04 Improvements in amplifying devices used in wireless telegraphy and telephony. Expired ES76663A1 (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
ES76663A ES76663A1 (en)	1921-01-04	1921-01-04	Improvements in amplifying devices used in wireless telegraphy and telephony.

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
ES76663A ES76663A1 (en)	1921-01-04	1921-01-04	Improvements in amplifying devices used in wireless telegraphy and telephony.

Publications (1)

Publication Number	Publication Date
ES76663A1 true ES76663A1 (en)	1921-02-16

Family

ID=64245731

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES76663A Expired ES76663A1 (en)	1921-01-04	1921-01-04	Improvements in amplifying devices used in wireless telegraphy and telephony.

Country Status (1)

Country	Link
ES (1)	ES76663A1 (en)

1921
- 1921-01-04 ES ES76663A patent/ES76663A1/en not_active Expired

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