Granted Patent
Utility
US 5,847,294 · App. 08/629,446
Apparatus for determining powder flowability
Inventor:
Trent A. Poole
Patented Case
View Patent ↗
Granted: Dec 8, 1998
Filed: Apr 9, 1996
Inventor
Trent A. Poole
Assignee (at issue)
Amherst Process Instruments, Inc.
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.