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
CA900272A
Inventor
K. Kershaw 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.)
Marmon Group Inc
Original Assignee
Marmon Group Inc
Publication date
Application grantedgrantedCritical
Publication of CA900272ApublicationCriticalpatent/CA900272A/en