DK41015C - Tonefilter med Desinfektionsanordning til Telefoner. - Google Patents

Tonefilter med Desinfektionsanordning til Telefoner.

Info

Publication number: DK41015C
Authority: DK; Denmark
Prior art keywords: phones; disinfection device; tone filter; tone; filter
Prior art date: 1927-11-12

Application number

Other languages

English (en)

Inventor

Henry Ewald Petersen

Original Assignee

Henry Ewald Petersen

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.)

1927-11-12

Filing date

1927-11-12

Publication date

1929-10-28

1927-11-12 Application filed by Henry Ewald Petersen filed Critical Henry Ewald Petersen

1929-10-28 Application granted granted Critical

1929-10-28 Publication of DK41015C publication Critical patent/DK41015C/da

Links

DK41015D 1927-11-12 1927-11-12 Tonefilter med Desinfektionsanordning til Telefoner. DK41015C (da)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DK41015T		1927-11-12

Publications (1)

Publication Number	Publication Date
DK41015C true DK41015C (da)	1929-10-28

Family

ID=8130184

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK41015D DK41015C (da)	1927-11-12	1927-11-12	Tonefilter med Desinfektionsanordning til Telefoner.

Country Status (1)

Country	Link
DK (1)	DK41015C (da)

1927
- 1927-11-12 DK DK41015D patent/DK41015C/da active

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