CA628090A - Ear plug - Google Patents

Ear plug

Info

Publication number
CA628090A
CA628090A CA628090A CA628090DA CA628090A CA 628090 A CA628090 A CA 628090A CA 628090 A CA628090 A CA 628090A CA 628090D A CA628090D A CA 628090DA CA 628090 A CA628090 A CA 628090A
Authority
CA
Canada
Prior art keywords
ear plug
ear
plug
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
CA628090A
Inventor
M. Becker Earl
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.)
MSA Safety Inc
Original Assignee
Mine Safety Appliances Co
Publication date
Application granted granted Critical
Publication of CA628090A publication Critical patent/CA628090A/en
Expired legal-status Critical Current

Links

CA628090A Ear plug Expired CA628090A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA628090T

Publications (1)

Publication Number Publication Date
CA628090A true CA628090A (en) 1961-09-26

Family

ID=35884218

Family Applications (1)

Application Number Title Priority Date Filing Date
CA628090A Expired CA628090A (en) Ear plug

Country Status (1)

Country Link
CA (1) CA628090A (en)

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