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CA637965A - Coin-controlled visual acuity machine - Google Patents

Coin-controlled visual acuity machine

Info

Publication number
CA637965A
CA637965A CA637965A CA637965DA CA637965A CA 637965 A CA637965 A CA 637965A CA 637965 A CA637965 A CA 637965A CA 637965D A CA637965D A CA 637965DA CA 637965 A CA637965 A CA 637965A
Authority
CA
Canada
Prior art keywords
coin
machine
visual acuity
controlled visual
controlled
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
CA637965A
Inventor
L. Patterson Clarence
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 CA637965A publication Critical patent/CA637965A/en
Expired legal-status Critical Current

Links

CA637965A Coin-controlled visual acuity machine Expired CA637965A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA637965T

Publications (1)

Publication Number Publication Date
CA637965A true CA637965A (en) 1962-03-13

Family

ID=35916474

Family Applications (1)

Application Number Title Priority Date Filing Date
CA637965A Expired CA637965A (en) Coin-controlled visual acuity machine

Country Status (1)

Country Link
CA (1) CA637965A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3491869A (en) * 1968-11-06 1970-01-27 Billy N Utz Vending machine for alcoholic beverages

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3491869A (en) * 1968-11-06 1970-01-27 Billy N Utz Vending machine for alcoholic beverages

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