CA92209A - Bifocal lense - Google Patents

Bifocal lense

Info

Publication number
CA92209A
CA92209A CA000092209A CA92209DA CA92209A CA 92209 A CA92209 A CA 92209A CA 000092209 A CA000092209 A CA 000092209A CA 92209D A CA92209D A CA 92209DA CA 92209 A CA92209 A CA 92209A
Authority
CA
Canada
Prior art keywords
lense
bifocal
bifocal lense
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
CA000092209A
Other languages
French (fr)
Inventor
Benjamin Meyer
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA92209A publication Critical patent/CA92209A/en
Expired legal-status Critical Current

Links

CA000092209A 1904-09-22 1904-09-22 Bifocal lense Expired CA92209A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA92209T 1904-09-22

Publications (1)

Publication Number Publication Date
CA92209A true CA92209A (en) 1905-03-21

Family

ID=45208744

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000092209A Expired CA92209A (en) 1904-09-22 1904-09-22 Bifocal lense

Country Status (1)

Country Link
CA (1) CA92209A (en)

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