CA431472A - Lunettes protectrices a densite variable - Google Patents

Lunettes protectrices a densite variable

Info

Publication number
CA431472A
CA431472A CA431472A CA431472DA CA431472A CA 431472 A CA431472 A CA 431472A CA 431472 A CA431472 A CA 431472A CA 431472D A CA431472D A CA 431472DA CA 431472 A CA431472 A CA 431472A
Authority
CA
Canada
Prior art keywords
goggles
variable density
variable
density
density goggles
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
CA431472A
Other languages
English (en)
Inventor
M. Splaine Edward
P. Bernheim Daniel
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 CA431472A publication Critical patent/CA431472A/fr
Expired legal-status Critical Current

Links

CA431472A Lunettes protectrices a densite variable Expired CA431472A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA431472T

Publications (1)

Publication Number Publication Date
CA431472A true CA431472A (fr) 1945-11-27

Family

ID=35546513

Family Applications (1)

Application Number Title Priority Date Filing Date
CA431472A Expired CA431472A (fr) Lunettes protectrices a densite variable

Country Status (1)

Country Link
CA (1) CA431472A (fr)

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