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
CA590285A
Inventor
L. Barrett Edward
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.)
ARTHUR J SCHMITT FOUNDATION
CHARLES S VRTIS
DONALD B ALEXANDER
HENRY T CHAMBERLAIN
JOHN F MANNION
LEE J GARY
WALTER A WADE
Original Assignee
ARTHUR J SCHMITT FOUNDATION
CHARLES S VRTIS
DONALD B ALEXANDER
HENRY T CHAMBERLAIN
JOHN F MANNION
LEE J GARY
WALTER A WADE
Publication date
Application grantedgrantedCritical
Publication of CA590285ApublicationCriticalpatent/CA590285A/en