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
CA890152A
Inventor
E. Crump Ralph
L. Reynolds Frank
A. Thyberg Victor
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.)
FRIGITRONICS OF CONN
Original Assignee
FRIGITRONICS OF CONN
Publication date
Application grantedgrantedCritical
Publication of CA890152ApublicationCriticalpatent/CA890152A/en