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 - Lifetime
Application number
AU4535/54A
Inventor
Eugene Hendrickson Fritz
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.)
Walter H Donworth
Original Assignee
Walter H Donworth
Filing date
Publication of AU200403B2publicationCriticalpatent/AU200403B2/en
Application filed by Walter H DonworthfiledCriticalWalter H Donworth