CA448152A - Protective headgear - Google Patents

Protective headgear

Info

Publication number
CA448152A
CA448152A CA448152A CA448152DA CA448152A CA 448152 A CA448152 A CA 448152A CA 448152 A CA448152 A CA 448152A CA 448152D A CA448152D A CA 448152DA CA 448152 A CA448152 A CA 448152A
Authority
CA
Canada
Prior art keywords
protective headgear
headgear
protective
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
CA448152A
Other languages
French (fr)
Inventor
F. Dauster 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.)
MSA Safety Inc
Original Assignee
Mine Safety Appliances Co
Publication date
Application granted granted Critical
Publication of CA448152A publication Critical patent/CA448152A/en
Expired legal-status Critical Current

Links

CA448152A Protective headgear Expired CA448152A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA448152T

Publications (1)

Publication Number Publication Date
CA448152A true CA448152A (en) 1948-04-27

Family

ID=35565837

Family Applications (1)

Application Number Title Priority Date Filing Date
CA448152A Expired CA448152A (en) Protective headgear

Country Status (1)

Country Link
CA (1) CA448152A (en)

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