CA430494A - Bifocal spectacles - Google Patents

Bifocal spectacles

Info

Publication number
CA430494A
CA430494A CA430494A CA430494DA CA430494A CA 430494 A CA430494 A CA 430494A CA 430494 A CA430494 A CA 430494A CA 430494D A CA430494D A CA 430494DA CA 430494 A CA430494 A CA 430494A
Authority
CA
Canada
Prior art keywords
bifocal spectacles
bifocal
spectacles
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
CA430494A
Other languages
French (fr)
Inventor
S. Zell Julius
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 CA430494A publication Critical patent/CA430494A/en
Expired legal-status Critical Current

Links

CA430494A Bifocal spectacles Expired CA430494A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA430494T

Publications (1)

Publication Number Publication Date
CA430494A true CA430494A (en) 1945-10-09

Family

ID=35545515

Family Applications (1)

Application Number Title Priority Date Filing Date
CA430494A Expired CA430494A (en) Bifocal spectacles

Country Status (1)

Country Link
CA (1) CA430494A (en)

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