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
CA060,912,A
Inventor
Charles W. Wyckoff
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.)
APPLIED PHOTO SCIENCES
Original Assignee
APPLIED PHOTO SCIENCES
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by APPLIED PHOTO SCIENCESfiledCriticalAPPLIED PHOTO SCIENCES
Priority to CA060,912,ApriorityCriticalpatent/CA951559A/en
Application grantedgrantedCritical
Publication of CA951559ApublicationCriticalpatent/CA951559A/en