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
CA632777A
Inventor
A. Maynard Charles
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.)
Indiana General Corp
Original Assignee
Indiana General Corp
Publication date
Application grantedgrantedCritical
Publication of CA632777ApublicationCriticalpatent/CA632777A/en