Granted Patent
Utility
US 6,158,293 · App. 09/271,603
Apparatus for determining powder flowability
Inventor:
Trent A. Poole
Patented Case
View Patent ↗
Granted: Dec 12, 2000
Filed: Mar 17, 1999
Inventor
Trent A. Poole
Assignee (at issue)
TSI Group Co., 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.