CA214148A - Lentille - Google Patents

Lentille

Info

Publication number
CA214148A
CA214148A CA214148A CA214148DA CA214148A CA 214148 A CA214148 A CA 214148A CA 214148 A CA214148 A CA 214148A CA 214148D A CA214148D A CA 214148DA CA 214148 A CA214148 A CA 214148A
Authority
CA
Canada
Prior art keywords
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
CA214148A
Other languages
English (en)
Inventor
W. Hill Harry
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.)
American Optical Corp
Original Assignee
American Optical Corp
Publication date
Application granted granted Critical
Publication of CA214148A publication Critical patent/CA214148A/fr
Expired legal-status Critical Current

Links

CA214148A Lentille Expired CA214148A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA214148T

Publications (1)

Publication Number Publication Date
CA214148A true CA214148A (fr) 1921-11-08

Family

ID=35108592

Family Applications (1)

Application Number Title Priority Date Filing Date
CA214148A Expired CA214148A (fr) Lentille

Country Status (1)

Country Link
CA (1) CA214148A (fr)

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