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.)
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.)
Pilkington North America Inc
Original Assignee
Glenn Perry
Lawrence C Wheat
Libbey Owens Ford Co
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 Glenn Perry, Lawrence C Wheat, Libbey Owens Ford CofiledCriticalGlenn Perry
Priority to CA091410ApriorityCriticalpatent/CA922061A/en
Application grantedgrantedCritical
Publication of CA922061ApublicationCriticalpatent/CA922061A/en