CA752987A - Protective helmet - Google Patents

Protective helmet

Info

Publication number
CA752987A
CA752987A CA752987A CA752987DA CA752987A CA 752987 A CA752987 A CA 752987A CA 752987 A CA752987 A CA 752987A CA 752987D A CA752987D A CA 752987DA CA 752987 A CA752987 A CA 752987A
Authority
CA
Canada
Prior art keywords
protective helmet
helmet
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
CA752987A
Inventor
E. Benner Charles
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.)
Airco Inc
Original Assignee
Air Reduction Co Inc
Publication date
Application granted granted Critical
Publication of CA752987A publication Critical patent/CA752987A/en
Expired legal-status Critical Current

Links

CA752987A Protective helmet Expired CA752987A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA752987T

Publications (1)

Publication Number Publication Date
CA752987A true CA752987A (en) 1967-02-21

Family

ID=36187335

Family Applications (1)

Application Number Title Priority Date Filing Date
CA752987A Expired CA752987A (en) Protective helmet

Country Status (1)

Country Link
CA (1) CA752987A (en)

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