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
CA801168A
Inventor
F. Wolford Byron
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.)
PROXIMITY CONTROLS
Original Assignee
PROXIMITY CONTROLS
Publication date
Application grantedgrantedCritical
Publication of CA801168ApublicationCriticalpatent/CA801168A/en