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
CA885299A
Inventor
P. Lamer Gerald
V. Swanson Forrest
S. Burdick Elliott
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.)
DROTT Manufacturing CORP
Original Assignee
DROTT Manufacturing CORP
Publication date
Application grantedgrantedCritical
Publication of CA885299ApublicationCriticalpatent/CA885299A/en