CA149649A - Bifocal lens - Google Patents
Bifocal lensInfo
- Publication number
- CA149649A CA149649A CA000149649A CA149649DA CA149649A CA 149649 A CA149649 A CA 149649A CA 000149649 A CA000149649 A CA 000149649A CA 149649D A CA149649D A CA 149649DA CA 149649 A CA149649 A CA 149649A
- 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
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA149649T | 1913-03-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA149649A true CA149649A (en) | 1913-07-29 |
Family
ID=45269363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000149649A Expired CA149649A (en) | 1913-03-25 | 1913-03-25 | Bifocal lens |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA149649A (en) |
-
1913
- 1913-03-25 CA CA000149649A patent/CA149649A/en not_active Expired
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