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
CA841426A
Inventor
R. Lee Edward
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.)
SH Leggitt Co
Original Assignee
Edward R Lee
SH Leggitt Co
Publication date
Application grantedgrantedCritical
Publication of CA841426ApublicationCriticalpatent/CA841426A/en