CA266427A - Lentille bifocale - Google Patents

Lentille bifocale

Info

Publication number
CA266427A
CA266427A CA266427A CA266427DA CA266427A CA 266427 A CA266427 A CA 266427A CA 266427 A CA266427 A CA 266427A CA 266427D A CA266427D A CA 266427DA CA 266427 A CA266427 A CA 266427A
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
CA266427A
Other languages
English (en)
Inventor
H. Harris Moses
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 CA266427A publication Critical patent/CA266427A/fr
Expired legal-status Critical Current

Links

CA266427A Lentille bifocale Expired CA266427A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA266427T

Publications (1)

Publication Number Publication Date
CA266427A true CA266427A (fr) 1926-12-07

Family

ID=35194382

Family Applications (1)

Application Number Title Priority Date Filing Date
CA266427A Expired CA266427A (fr) Lentille bifocale

Country Status (1)

Country Link
CA (1) CA266427A (fr)

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