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
CA698134A
Inventor
W. Fitzgerald James
C. Winder William
R. Ringo George
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.)
Chesapeake Instrument Corp
Original Assignee
Chesapeake Instrument Corp
Publication date
Application grantedgrantedCritical
Publication of CA698134ApublicationCriticalpatent/CA698134A/en