CA9224A - Improvements on accoustic telephones - Google Patents

Improvements on accoustic telephones

Info

Publication number
CA9224A
CA9224A CA000009224A CA9224DA CA9224A CA 9224 A CA9224 A CA 9224A CA 000009224 A CA000009224 A CA 000009224A CA 9224D A CA9224D A CA 9224DA CA 9224 A CA9224 A CA 9224A
Authority
CA
Canada
Prior art keywords
accoustic
telephones
accoustic 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
CA000009224A
Other languages
French (fr)
Inventor
James R. Holcomb
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
Publication date
Application granted granted Critical
Publication of CA9224A publication Critical patent/CA9224A/en
Expired legal-status Critical Current

Links

CA000009224A Improvements on accoustic telephones Expired CA9224A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA9224T

Publications (1)

Publication Number Publication Date
CA9224A true CA9224A (en) 1878-10-14

Family

ID=45125771

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000009224A Expired CA9224A (en) Improvements on accoustic telephones

Country Status (1)

Country Link
CA (1) CA9224A (en)

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