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
CA819511A
Inventor
J. Stretton Henry
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.)
G D PETERS AND Co (ENGINEERING) Ltd
Original Assignee
G D PETERS AND Co (ENGINEERING) Ltd
Publication date
Application grantedgrantedCritical
Publication of CA819511ApublicationCriticalpatent/CA819511A/en