CA581734A - Anti-fogging face mask - Google Patents

Anti-fogging face mask

Info

Publication number
CA581734A
CA581734A CA581734A CA581734DA CA581734A CA 581734 A CA581734 A CA 581734A CA 581734 A CA581734 A CA 581734A CA 581734D A CA581734D A CA 581734DA CA 581734 A CA581734 A CA 581734A
Authority
CA
Canada
Prior art keywords
face mask
fogging
fogging face
mask
face
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
CA581734A
Other languages
French (fr)
Inventor
Tietze Hermann
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 CA581734A publication Critical patent/CA581734A/en
Expired legal-status Critical Current

Links

CA581734A Anti-fogging face mask Expired CA581734A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA581734T

Publications (1)

Publication Number Publication Date
CA581734A true CA581734A (en) 1959-08-18

Family

ID=35761164

Family Applications (1)

Application Number Title Priority Date Filing Date
CA581734A Expired CA581734A (en) Anti-fogging face mask

Country Status (1)

Country Link
CA (1) CA581734A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5479918A (en) * 1994-06-30 1996-01-02 Petit; James F. Breath controller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5479918A (en) * 1994-06-30 1996-01-02 Petit; James F. Breath controller

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