CA346778A - Lentille multifocale - Google Patents

Lentille multifocale

Info

Publication number
CA346778A
CA346778A CA346778A CA346778DA CA346778A CA 346778 A CA346778 A CA 346778A CA 346778 A CA346778 A CA 346778A CA 346778D A CA346778D A CA 346778DA CA 346778 A CA346778 A CA 346778A
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
CA346778A
Other languages
English (en)
Inventor
A. Clement George
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 CA346778A publication Critical patent/CA346778A/fr
Expired legal-status Critical Current

Links

CA346778A Lentille multifocale Expired CA346778A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA346778T

Publications (1)

Publication Number Publication Date
CA346778A true CA346778A (fr) 1934-12-18

Family

ID=35318052

Family Applications (1)

Application Number Title Priority Date Filing Date
CA346778A Expired CA346778A (fr) Lentille multifocale

Country Status (1)

Country Link
CA (1) CA346778A (fr)

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