CA727909A - Optical display apparatus - Google Patents

Optical display apparatus

Info

Publication number
CA727909A
CA727909A CA727909A CA727909DA CA727909A CA 727909 A CA727909 A CA 727909A CA 727909 A CA727909 A CA 727909A CA 727909D A CA727909D A CA 727909DA CA 727909 A CA727909 A CA 727909A
Authority
CA
Canada
Prior art keywords
display apparatus
optical display
optical
display
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
CA727909A
Inventor
L. Bjelland Harley
A. Grafton David
M. F. Mak Stephen
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.)
National Cash Register Co
Original Assignee
National Cash Register Co
Publication date
Application granted granted Critical
Publication of CA727909A publication Critical patent/CA727909A/en
Expired legal-status Critical Current

Links

CA727909A Optical display apparatus Expired CA727909A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA727909T

Publications (1)

Publication Number Publication Date
CA727909A true CA727909A (en) 1966-02-15

Family

ID=36066824

Family Applications (1)

Application Number Title Priority Date Filing Date
CA727909A Expired CA727909A (en) Optical display apparatus

Country Status (1)

Country Link
CA (1) CA727909A (en)

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