CA398396A - Respirator - Google Patents

Respirator

Info

Publication number
CA398396A
CA398396A CA398396A CA398396DA CA398396A CA 398396 A CA398396 A CA 398396A CA 398396 A CA398396 A CA 398396A CA 398396D A CA398396D A CA 398396DA CA 398396 A CA398396 A CA 398396A
Authority
CA
Canada
Prior art keywords
respirator
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
CA398396A
Other languages
French (fr)
Inventor
M. Splaine Edward
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.)
American Optical Corp
Original Assignee
American Optical Corp
Publication date
Application granted granted Critical
Publication of CA398396A publication Critical patent/CA398396A/en
Expired legal-status Critical Current

Links

CA398396A Respirator Expired CA398396A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA398396T

Publications (1)

Publication Number Publication Date
CA398396A true CA398396A (en) 1941-08-05

Family

ID=35408887

Family Applications (1)

Application Number Title Priority Date Filing Date
CA398396A Expired CA398396A (en) Respirator

Country Status (1)

Country Link
CA (1) CA398396A (en)

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