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
CA906629A
Inventor
J. Dankowski James
D. Patterson Albert
M. Fearn Clifford
A. Watts James
W. Sharland Robert
Aro Enn
K. Cheney Thomas
B. Nennerfelt Carl
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.)
North Electric Co
Original Assignee
North Electric Co
Publication date
Application grantedgrantedCritical
Publication of CA906629ApublicationCriticalpatent/CA906629A/en