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.)
JOHN STOCKMAN JOHNSON and ROBERT EARL FISHER WALLACE
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.)
Upright Inc
Original Assignee
Upright 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 Upright IncfiledCriticalUpright Inc
Application grantedgrantedCritical
Publication of AU420893B2publicationCriticalpatent/AU420893B2/en
Publication of AU3272468ApublicationCriticalpatent/AU3272468A/en