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
CA847745A
Inventor
H. Turner Lyman
W. Wagner John
F. Wirley 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.)
Xerox Corp
Original Assignee
Xerox Corp
Publication date
Application grantedgrantedCritical
Publication of CA847745ApublicationCriticalpatent/CA847745A/en