Granted Patent
Utility
US 6,389,986 · App. 09/743,862
Adaptor for converting bulk solids container for fluid storage/transportation
Inventors:
Graham Twomey, Mark Evan Hopkins
Patented Case
View Patent ↗
Granted: May 21, 2002
Filed: Jan 16, 2001
Inventors
Graham Twomey
Mark Evan Hopkins
Assignee (at issue)
Gold Coast Holdings Pty Ltd
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.