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
CA827458A
Inventor
W. Rohnert Frederick
M. Craig Burnie
W. Chaney James
Okita Haruto
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.)
WALDO ROHNERT CO
Original Assignee
WALDO ROHNERT CO
Publication date
Application grantedgrantedCritical
Publication of CA827458ApublicationCriticalpatent/CA827458A/en