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
CA658604A
Inventor
Kopp Sigmund
S. Denton Arthur
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.)
Alco Products Inc
Original Assignee
Arthur S Denton
Sigmund Kopp
Alco Products Inc
Publication date
Application grantedgrantedCritical
Publication of CA658604ApublicationCriticalpatent/CA658604A/en