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
CA839885A
Inventor
Hart Green E.
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.)
GLASS CONTAINER INDUSTRY RESEARCH Corp
Original Assignee
GLASS CONTAINER INDUSTRY RESEARCH Corp
Publication date
Application grantedgrantedCritical
Publication of CA839885ApublicationCriticalpatent/CA839885A/en