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
CA896640A
Inventor
P. Boydman Hyman
Tepper Sidney
L. Bonanno Joseph
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.)
TOPPER CORP
Original Assignee
TOPPER CORP
Publication date
Application grantedgrantedCritical
Publication of CA896640ApublicationCriticalpatent/CA896640A/en