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
CA913899A
Inventor
A. Farrell Eugene
M. Bogenschutz Thomas
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.)
COMPRO-FRINK Corp
Original Assignee
COMPRO-FRINK Corp
Publication date
Application grantedgrantedCritical
Publication of CA913899ApublicationCriticalpatent/CA913899A/en