CA214152A - Lentille - Google Patents

Lentille

Info

Publication number
CA214152A
CA214152A CA214152A CA214152DA CA214152A CA 214152 A CA214152 A CA 214152A CA 214152 A CA214152 A CA 214152A CA 214152D A CA214152D A CA 214152DA CA 214152 A CA214152 A CA 214152A
Authority
CA
Canada
Prior art keywords
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
CA214152A
Other languages
English (en)
Inventor
D. Tillyer Edgar
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 CA214152A publication Critical patent/CA214152A/fr
Expired legal-status Critical Current

Links

CA214152A Lentille Expired CA214152A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA214152T

Publications (1)

Publication Number Publication Date
CA214152A true CA214152A (fr) 1921-11-08

Family

ID=35108596

Family Applications (1)

Application Number Title Priority Date Filing Date
CA214152A Expired CA214152A (fr) Lentille

Country Status (1)

Country Link
CA (1) CA214152A (fr)

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