CA868415A - Marking instrument for activating invisible ink printing - Google Patents

Marking instrument for activating invisible ink printing

Info

Publication number
CA868415A
CA868415A CA868415A CA868415DA CA868415A CA 868415 A CA868415 A CA 868415A CA 868415 A CA868415 A CA 868415A CA 868415D A CA868415D A CA 868415DA CA 868415 A CA868415 A CA 868415A
Authority
CA
Canada
Prior art keywords
activating
ink printing
invisible ink
marking instrument
marking
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
CA868415A
Inventor
C. Wells Robert
W. Rafferty John
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.)
Hawkeye Acquisition Inc
Original Assignee
Meredith Corp
Publication date
Application granted granted Critical
Publication of CA868415A publication Critical patent/CA868415A/en
Expired legal-status Critical Current

Links

CA868415A Marking instrument for activating invisible ink printing Expired CA868415A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA868415T

Publications (1)

Publication Number Publication Date
CA868415A true CA868415A (en) 1971-04-13

Family

ID=36354516

Family Applications (1)

Application Number Title Priority Date Filing Date
CA868415A Expired CA868415A (en) Marking instrument for activating invisible ink printing

Country Status (1)

Country Link
CA (1) CA868415A (en)

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