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
CA844820A
Inventor
Wilens Seymour
Sievers Martin
G. Achatz Lothar
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.)
Staver Co Inc
Original Assignee
Staver Co Inc
Publication date
Application grantedgrantedCritical
Publication of CA844820ApublicationCriticalpatent/CA844820A/en