Granted Patent
Utility
US 6,290,433 · App. 09/750,120
Distribution system for conveying air-entrained material
Inventors:
Robert Poncelet, Russell J. Memory, Hughie Douglas Kydd, Montgomerie Summach
Patented Case
View Patent ↗
Granted: Sep 18, 2001
Filed: Dec 29, 2000
Inventors
Robert Poncelet
Russell J. Memory
Hughie Douglas Kydd
Montgomerie Summach
Assignee (at issue)
Flexi-Coil 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.