CA401968A - Eye testing instrument - Google Patents

Eye testing instrument

Info

Publication number
CA401968A
CA401968A CA401968A CA401968DA CA401968A CA 401968 A CA401968 A CA 401968A CA 401968 A CA401968 A CA 401968A CA 401968D A CA401968D A CA 401968DA CA 401968 A CA401968 A CA 401968A
Authority
CA
Canada
Prior art keywords
testing instrument
eye testing
eye
instrument
testing
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
CA401968A
Other languages
French (fr)
Inventor
F. Peck William
A. Gradisar Albin
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 CA401968A publication Critical patent/CA401968A/en
Expired legal-status Critical Current

Links

CA401968A Eye testing instrument Expired CA401968A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA401968T

Publications (1)

Publication Number Publication Date
CA401968A true CA401968A (en) 1942-01-06

Family

ID=35412413

Family Applications (1)

Application Number Title Priority Date Filing Date
CA401968A Expired CA401968A (en) Eye testing instrument

Country Status (1)

Country Link
CA (1) CA401968A (en)

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