CA738665A - Changeable message display device - Google Patents

Changeable message display device

Info

Publication number
CA738665A
CA738665A CA738665A CA738665DA CA738665A CA 738665 A CA738665 A CA 738665A CA 738665 A CA738665 A CA 738665A CA 738665D A CA738665D A CA 738665DA CA 738665 A CA738665 A CA 738665A
Authority
CA
Canada
Prior art keywords
display device
message display
changeable message
changeable
message
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
CA738665A
Inventor
E. Batho Arnold
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.)
E L RUDDY Co
Original Assignee
E L RUDDY Co
Publication date
Application granted granted Critical
Publication of CA738665A publication Critical patent/CA738665A/en
Expired legal-status Critical Current

Links

CA738665A Changeable message display device Expired CA738665A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA738665T

Publications (1)

Publication Number Publication Date
CA738665A true CA738665A (en) 1966-07-19

Family

ID=36136807

Family Applications (1)

Application Number Title Priority Date Filing Date
CA738665A Expired CA738665A (en) Changeable message display device

Country Status (1)

Country Link
CA (1) CA738665A (en)

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