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
CA828713A
Inventor
G. Goldstone Edward
K. Neumann Hans
A. Olsen John
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.)
Allen Industries Inc
Original Assignee
Edward G Goldstone
Hans K Neumann
Allen Industries Inc
Publication date
Application grantedgrantedCritical
Publication of CA828713ApublicationCriticalpatent/CA828713A/en