AU429892B2 - Magnetic writing board - Google Patents

Magnetic writing board

Info

Publication number
AU429892B2
AU429892B2 AU36533/68A AU3653368A AU429892B2 AU 429892 B2 AU429892 B2 AU 429892B2 AU 36533/68 A AU36533/68 A AU 36533/68A AU 3653368 A AU3653368 A AU 3653368A AU 429892 B2 AU429892 B2 AU 429892B2
Authority
AU
Australia
Prior art keywords
writing board
magnetic writing
magnetic
board
writing
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
AU36533/68A
Other versions
AU3653368A (en
Inventor
Har Margai Robert Paul Dingwall
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of AU429892B2 publication Critical patent/AU429892B2/en
Publication of AU3653368A publication Critical patent/AU3653368A/en
Expired legal-status Critical Current

Links

AU36533/68A 1968-04-18 Magnetic writing board Expired AU429892B2 (en)

Publications (2)

Publication Number Publication Date
AU429892B2 true AU429892B2 (en) 1969-10-23
AU3653368A AU3653368A (en) 1969-10-23

Family

ID=

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