CA867248A - Colorless ink to give black print - Google Patents

Colorless ink to give black print

Info

Publication number
CA867248A
CA867248A CA867248A CA867248DA CA867248A CA 867248 A CA867248 A CA 867248A CA 867248 A CA867248 A CA 867248A CA 867248D A CA867248D A CA 867248DA CA 867248 A CA867248 A CA 867248A
Authority
CA
Canada
Prior art keywords
black print
colorless ink
give black
give
colorless
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
CA867248A
Inventor
Paul S. Phillips, Jr.
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 CA867248A publication Critical patent/CA867248A/en
Expired legal-status Critical Current

Links

CA867248A Colorless ink to give black print Expired CA867248A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA867248T

Publications (1)

Publication Number Publication Date
CA867248A true CA867248A (en) 1971-03-30

Family

ID=36352541

Family Applications (1)

Application Number Title Priority Date Filing Date
CA867248A Expired CA867248A (en) Colorless ink to give black print

Country Status (1)

Country Link
CA (1) CA867248A (en)

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