CA490101A - Interchangeable letter display device - Google Patents

Interchangeable letter display device

Info

Publication number
CA490101A
CA490101A CA490101A CA490101DA CA490101A CA 490101 A CA490101 A CA 490101A CA 490101 A CA490101 A CA 490101A CA 490101D A CA490101D A CA 490101DA CA 490101 A CA490101 A CA 490101A
Authority
CA
Canada
Prior art keywords
display device
letter display
interchangeable
interchangeable letter
letter
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
CA490101A
Other languages
French (fr)
Inventor
N. Dickey Charles
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.)
JAMES S CUSHMAN
Original Assignee
JAMES S CUSHMAN
Publication date
Application granted granted Critical
Publication of CA490101A publication Critical patent/CA490101A/en
Expired legal-status Critical Current

Links

CA490101A Interchangeable letter display device Expired CA490101A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA490101T

Publications (1)

Publication Number Publication Date
CA490101A true CA490101A (en) 1953-01-27

Family

ID=35629830

Family Applications (1)

Application Number Title Priority Date Filing Date
CA490101A Expired CA490101A (en) Interchangeable letter display device

Country Status (1)

Country Link
CA (1) CA490101A (en)

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