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
CA815683A
Inventor
Pal Chur Sung
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.)
Ricoh Printing Systems America Inc
Original Assignee
Ricoh Printing Systems America Inc
Publication date
Application grantedgrantedCritical
Publication of CA815683ApublicationCriticalpatent/CA815683A/en