CA354868A - Lentille bifocale - Google Patents

Lentille bifocale

Info

Publication number
CA354868A
CA354868A CA354868A CA354868DA CA354868A CA 354868 A CA354868 A CA 354868A CA 354868 A CA354868 A CA 354868A CA 354868D A CA354868D A CA 354868DA CA 354868 A CA354868 A CA 354868A
Authority
CA
Canada
Prior art keywords
bifocal lens
bifocal
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
CA354868A
Other languages
English (en)
Inventor
A. Courmettes Henry
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA354868A publication Critical patent/CA354868A/fr
Expired legal-status Critical Current

Links

CA354868A Lentille bifocale Expired CA354868A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA354868T

Publications (1)

Publication Number Publication Date
CA354868A true CA354868A (fr) 1935-12-24

Family

ID=35342830

Family Applications (1)

Application Number Title Priority Date Filing Date
CA354868A Expired CA354868A (fr) Lentille bifocale

Country Status (1)

Country Link
CA (1) CA354868A (fr)

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