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.)
Interstate Chemical Inc
Original Assignee
Ewert J.A. Wilson
Interstate Chemical, 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
Priority claimed from US07/447,543external-prioritypatent/US5004850A/en
Application filed by Ewert J.A. Wilson, Interstate Chemical, Inc.filedCriticalEwert J.A. Wilson
Priority to CA002007187ApriorityCriticalpatent/CA2007187A1/fr
Publication of CA2007187A1publicationCriticalpatent/CA2007187A1/fr