CA911221A - Vision-aiding device - Google Patents

Vision-aiding device

Info

Publication number
CA911221A
CA911221A CA911221A CA911221DA CA911221A CA 911221 A CA911221 A CA 911221A CA 911221 A CA911221 A CA 911221A CA 911221D A CA911221D A CA 911221DA CA 911221 A CA911221 A CA 911221A
Authority
CA
Canada
Prior art keywords
vision
aiding device
aiding
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
CA911221A
Inventor
R. Rosenthal Sol
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 CA911221A publication Critical patent/CA911221A/en
Expired legal-status Critical Current

Links

CA911221A Vision-aiding device Expired CA911221A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA911221T

Publications (1)

Publication Number Publication Date
CA911221A true CA911221A (en) 1972-10-03

Family

ID=36418821

Family Applications (1)

Application Number Title Priority Date Filing Date
CA911221A Expired CA911221A (en) Vision-aiding device

Country Status (1)

Country Link
CA (1) CA911221A (en)

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