CA641905A - Visible record signal device - Google Patents

Visible record signal device

Info

Publication number
CA641905A
CA641905A CA641905A CA641905DA CA641905A CA 641905 A CA641905 A CA 641905A CA 641905 A CA641905 A CA 641905A CA 641905D A CA641905D A CA 641905DA CA 641905 A CA641905 A CA 641905A
Authority
CA
Canada
Prior art keywords
signal device
record signal
visible record
visible
signal
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
CA641905A
Inventor
A. Loyd Samuel
L. Reid Donald
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.)
Acme Visible Records Inc
Original Assignee
Acme Visible Records Inc
Publication date
Application granted granted Critical
Publication of CA641905A publication Critical patent/CA641905A/en
Expired legal-status Critical Current

Links

CA641905A Visible record signal device Expired CA641905A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA641905T

Publications (1)

Publication Number Publication Date
CA641905A true CA641905A (en) 1962-05-29

Family

ID=35920427

Family Applications (1)

Application Number Title Priority Date Filing Date
CA641905A Expired CA641905A (en) Visible record signal device

Country Status (1)

Country Link
CA (1) CA641905A (en)

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