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
CA890623A
Inventor
G. Corey Lawrence
J. Opalenik John
F. Clough 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.)
Arrow Hart Inc
Original Assignee
Arrow Hart Inc
Publication date
Application grantedgrantedCritical
Publication of CA890623ApublicationCriticalpatent/CA890623A/en