CA395824A - Respirator - Google Patents

Respirator

Info

Publication number
CA395824A
CA395824A CA395824A CA395824DA CA395824A CA 395824 A CA395824 A CA 395824A CA 395824 A CA395824 A CA 395824A CA 395824D A CA395824D A CA 395824DA CA 395824 A CA395824 A CA 395824A
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
CA395824A
Other languages
French (fr)
Inventor
H. Lehmberg William
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 CA395824A publication Critical patent/CA395824A/en
Expired legal-status Critical Current

Links

CA395824A Respirator Expired CA395824A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA395824T

Publications (1)

Publication Number Publication Date
CA395824A true CA395824A (en) 1941-04-15

Family

ID=35403270

Family Applications (1)

Application Number Title Priority Date Filing Date
CA395824A Expired CA395824A (en) Respirator

Country Status (1)

Country Link
CA (1) CA395824A (en)

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