CA374156A - Multifocal lens and blank - Google Patents

Multifocal lens and blank

Info

Publication number
CA374156A
CA374156A CA374156A CA374156DA CA374156A CA 374156 A CA374156 A CA 374156A CA 374156 A CA374156 A CA 374156A CA 374156D A CA374156D A CA 374156DA CA 374156 A CA374156 A CA 374156A
Authority
CA
Canada
Prior art keywords
blank
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
CA374156A
Other languages
French (fr)
Inventor
H. Hammon James
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 CA374156A publication Critical patent/CA374156A/en
Expired legal-status Critical Current

Links

CA374156A Multifocal lens and blank Expired CA374156A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA374156T

Publications (1)

Publication Number Publication Date
CA374156A true CA374156A (en) 1938-05-31

Family

ID=35378480

Family Applications (1)

Application Number Title Priority Date Filing Date
CA374156A Expired CA374156A (en) Multifocal lens and blank

Country Status (1)

Country Link
CA (1) CA374156A (en)

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