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.)
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.)
EDGAR C JOHNSTON JR
GORDON C JOHNSTON
MADGE JOHNSTON
MORDICA O JOHNSTON JR
WARREN C JOHNSTON
Original Assignee
EDGAR C JOHNSTON JR
GORDON C JOHNSTON
MADGE JOHNSTON
MORDICA O JOHNSTON JR
WARREN C JOHNSTON
Publication date
Application grantedgrantedCritical
Publication of CA525743ApublicationCriticalpatent/CA525743A/fr