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.)
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.)
ANDERSON-COOK
Original Assignee
ANDERSON-COOK
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
Priority claimed from US05/732,682external-prioritypatent/US4028922A/en
Application filed by ANDERSON-COOKfiledCriticalANDERSON-COOK
Priority to CA328,457ApriorityCriticalpatent/CA1067683A/fr
Application grantedgrantedCritical
Publication of CA1067683ApublicationCriticalpatent/CA1067683A/fr