CA38802A - Mouth-piece for speaking tubes - Google Patents

Mouth-piece for speaking tubes

Info

Publication number
CA38802A
CA38802A CA000038802A CA38802DA CA38802A CA 38802 A CA38802 A CA 38802A CA 000038802 A CA000038802 A CA 000038802A CA 38802D A CA38802D A CA 38802DA CA 38802 A CA38802 A CA 38802A
Authority
CA
Canada
Prior art keywords
mouth
piece
speaking tubes
speaking
tubes
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
CA000038802A
Other languages
French (fr)
Inventor
William Horace Ross
William Bryant
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 CA38802A publication Critical patent/CA38802A/en
Expired legal-status Critical Current

Links

CA000038802A Mouth-piece for speaking tubes Expired CA38802A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA38802T

Publications (1)

Publication Number Publication Date
CA38802A true CA38802A (en) 1892-04-25

Family

ID=45155342

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000038802A Expired CA38802A (en) Mouth-piece for speaking tubes

Country Status (1)

Country Link
CA (1) CA38802A (en)

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