CA247112A - Bifocal lens - Google Patents

Bifocal lens

Info

Publication number
CA247112A
CA247112A CA247112A CA247112DA CA247112A CA 247112 A CA247112 A CA 247112A CA 247112 A CA247112 A CA 247112A CA 247112D A CA247112D A CA 247112DA CA 247112 A CA247112 A CA 247112A
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
CA247112A
Other languages
French (fr)
Inventor
B. Drescher Theodore
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.)
Bausch and Lomb Inc
Original Assignee
Bausch and Lomb Inc
Publication date
Application granted granted Critical
Publication of CA247112A publication Critical patent/CA247112A/en
Expired legal-status Critical Current

Links

CA247112A Bifocal lens Expired CA247112A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA247112T

Publications (1)

Publication Number Publication Date
CA247112A true CA247112A (en) 1925-02-24

Family

ID=35154087

Family Applications (1)

Application Number Title Priority Date Filing Date
CA247112A Expired CA247112A (en) Bifocal lens

Country Status (1)

Country Link
CA (1) CA247112A (en)

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