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
CA106,499A
Inventor
Joseph G. Fearon
Alan R. Blair
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.)
Morrison Knudsen Co Inc
Original Assignee
Morrison Knudsen Co Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Morrison Knudsen Co IncfiledCriticalMorrison Knudsen Co Inc
Priority to CA106,499ApriorityCriticalpatent/CA941237A/en
Application grantedgrantedCritical
Publication of CA941237ApublicationCriticalpatent/CA941237A/en