CA497074A - Electromagnetic telephone instruments - Google Patents
Electromagnetic telephone instrumentsInfo
- Publication number
- CA497074A CA497074A CA497074A CA497074DA CA497074A CA 497074 A CA497074 A CA 497074A CA 497074 A CA497074 A CA 497074A CA 497074D A CA497074D A CA 497074DA CA 497074 A CA497074 A CA 497074A
- Authority
- CA
- Canada
- Prior art keywords
- telephone instruments
- electromagnetic telephone
- electromagnetic
- instruments
- 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
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA497074T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA497074A true CA497074A (en) | 1953-10-20 |
Family
ID=35642502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA497074A Expired CA497074A (en) | Electromagnetic telephone instruments |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA497074A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3002057A (en) * | 1956-03-29 | 1961-09-26 | Vigren Sten Daniel | Polarized electromagnetic device |
US3128537A (en) * | 1958-06-26 | 1964-04-14 | Vigren Sten Daniel | Manufacture of electromagnetic devices |
-
0
- CA CA497074A patent/CA497074A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3002057A (en) * | 1956-03-29 | 1961-09-26 | Vigren Sten Daniel | Polarized electromagnetic device |
US3128537A (en) * | 1958-06-26 | 1964-04-14 | Vigren Sten Daniel | Manufacture of electromagnetic devices |
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