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
CA760946A
Inventor
E. Stonebraker Melvin
P. Wise Samuel
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.)
Drackett Co
Original Assignee
Drackett Co
Publication date
Application grantedgrantedCritical
Publication of CA760946ApublicationCriticalpatent/CA760946A/en