CA578485A - Auditory canal plug - Google Patents

Auditory canal plug

Info

Publication number
CA578485A
CA578485A CA578485A CA578485DA CA578485A CA 578485 A CA578485 A CA 578485A CA 578485 A CA578485 A CA 578485A CA 578485D A CA578485D A CA 578485DA CA 578485 A CA578485 A CA 578485A
Authority
CA
Canada
Prior art keywords
auditory canal
canal plug
plug
auditory
canal
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
CA578485A
Other languages
French (fr)
Inventor
D. Henderson John
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 CA578485A publication Critical patent/CA578485A/en
Expired legal-status Critical Current

Links

CA578485A Auditory canal plug Expired CA578485A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA578485T

Publications (1)

Publication Number Publication Date
CA578485A true CA578485A (en) 1959-06-30

Family

ID=35754355

Family Applications (1)

Application Number Title Priority Date Filing Date
CA578485A Expired CA578485A (en) Auditory canal plug

Country Status (1)

Country Link
CA (1) CA578485A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3565069A (en) * 1969-03-21 1971-02-23 Robert Nelson Miller Acoustical filter device
US4867149A (en) * 1985-03-29 1989-09-19 Cabot Corporation Earplugs
USD434139S (en) 1999-09-17 2000-11-21 3M Innovative Properties Company Earplug

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3565069A (en) * 1969-03-21 1971-02-23 Robert Nelson Miller Acoustical filter device
US4867149A (en) * 1985-03-29 1989-09-19 Cabot Corporation Earplugs
USD434139S (en) 1999-09-17 2000-11-21 3M Innovative Properties Company Earplug

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