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
CA856115A
Inventor
H. Eby Ralph
R. J. Friedmann Anton
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.)
Skinner Irrigation Co Inc
Ashley F Ward Inc
Original Assignee
Skinner Irrigation Co Inc
Ashley F Ward Inc
Publication date
Application grantedgrantedCritical
Publication of CA856115ApublicationCriticalpatent/CA856115A/en