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
CA906940A
Inventor
H. Pettis George
L. Peterson 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.)
Atlas Spokane Inc
Original Assignee
Atlas Spokane Inc
Publication date
Application grantedgrantedCritical
Publication of CA906940ApublicationCriticalpatent/CA906940A/en