CA354856A - Multifocal lens producing apparatus - Google Patents

Multifocal lens producing apparatus

Info

Publication number
CA354856A
CA354856A CA354856A CA354856DA CA354856A CA 354856 A CA354856 A CA 354856A CA 354856 A CA354856 A CA 354856A CA 354856D A CA354856D A CA 354856DA CA 354856 A CA354856 A CA 354856A
Authority
CA
Canada
Prior art keywords
producing apparatus
multifocal lens
lens producing
multifocal
producing
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
CA354856A
Other languages
French (fr)
Inventor
L. Houchin Lowell
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 CA354856A publication Critical patent/CA354856A/en
Expired legal-status Critical Current

Links

CA354856A Multifocal lens producing apparatus Expired CA354856A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA354856T

Publications (1)

Publication Number Publication Date
CA354856A true CA354856A (en) 1935-12-17

Family

ID=35342818

Family Applications (1)

Application Number Title Priority Date Filing Date
CA354856A Expired CA354856A (en) Multifocal lens producing apparatus

Country Status (1)

Country Link
CA (1) CA354856A (en)

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