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
CA862367A
Inventor
E. Foltz Robert
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.)
Lawrence Brothers Inc
Original Assignee
Robert E Foltz
Lawrence Brothers Inc
Publication date
Application grantedgrantedCritical
Publication of CA862367ApublicationCriticalpatent/CA862367A/en