CA403266A - Verre multifocal - Google Patents

Verre multifocal

Info

Publication number
CA403266A
CA403266A CA403266A CA403266DA CA403266A CA 403266 A CA403266 A CA 403266A CA 403266 A CA403266 A CA 403266A CA 403266D A CA403266D A CA 403266DA CA 403266 A CA403266 A CA 403266A
Authority
CA
Canada
Prior art keywords
multifocal lens
multifocal
lens
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
CA403266A
Other languages
English (en)
Inventor
Joseph Heavyside Stuart
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.)
UNIVIS Corp
Original Assignee
UNIVIS Corp
Publication date
Application granted granted Critical
Publication of CA403266A publication Critical patent/CA403266A/fr
Expired legal-status Critical Current

Links

CA403266A Verre multifocal Expired CA403266A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA403266T

Publications (1)

Publication Number Publication Date
CA403266A true CA403266A (fr) 1942-03-03

Family

ID=35413714

Family Applications (1)

Application Number Title Priority Date Filing Date
CA403266A Expired CA403266A (fr) Verre multifocal

Country Status (1)

Country Link
CA (1) CA403266A (fr)

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