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
CA819933A
Inventor
H. Stearns Thomas
F. Dahlgren Victor
K. Tally Sidney
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.)
ELECTRO-MECHANISMS
Original Assignee
ELECTRO-MECHANISMS
Publication date
Application grantedgrantedCritical
Publication of CA819933ApublicationCriticalpatent/CA819933A/en