CA351768A - Lentille multifocale - Google Patents

Lentille multifocale

Info

Publication number
CA351768A
CA351768A CA351768A CA351768DA CA351768A CA 351768 A CA351768 A CA 351768A CA 351768 A CA351768 A CA 351768A CA 351768D A CA351768D A CA 351768DA CA 351768 A CA351768 A CA 351768A
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
CA351768A
Other languages
English (en)
Inventor
D. Hubbell 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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA351768A publication Critical patent/CA351768A/fr
Expired legal-status Critical Current

Links

CA351768A Lentille multifocale Expired CA351768A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA351768T

Publications (1)

Publication Number Publication Date
CA351768A true CA351768A (fr) 1935-07-23

Family

ID=35339732

Family Applications (1)

Application Number Title Priority Date Filing Date
CA351768A Expired CA351768A (fr) Lentille multifocale

Country Status (1)

Country Link
CA (1) CA351768A (fr)

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