CA437052A - Welder's helmet - Google Patents

Welder's helmet

Info

Publication number
CA437052A
CA437052A CA437052A CA437052DA CA437052A CA 437052 A CA437052 A CA 437052A CA 437052 A CA437052 A CA 437052A CA 437052D A CA437052D A CA 437052DA CA 437052 A CA437052 A CA 437052A
Authority
CA
Canada
Prior art keywords
welder
helmet
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
CA437052A
Other languages
French (fr)
Inventor
N. Anderson Marshall
H. Sellstrom Melvin
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.)
Sellstrom Manufacturing Co
Original Assignee
Sellstrom Manufacturing Co
Publication date
Application granted granted Critical
Publication of CA437052A publication Critical patent/CA437052A/en
Expired legal-status Critical Current

Links

CA437052A Welder's helmet Expired CA437052A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA437052T

Publications (1)

Publication Number Publication Date
CA437052A true CA437052A (en) 1946-09-17

Family

ID=35552287

Family Applications (1)

Application Number Title Priority Date Filing Date
CA437052A Expired CA437052A (en) Welder's helmet

Country Status (1)

Country Link
CA (1) CA437052A (en)

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