Granted Patent
Utility
US 6,267,016 · App. 09/265,619
Impact particulate collector using a rotary impeller for collecting particulates and moving a fluid
Inventors:
Patrick Call, Vanessa M. Kenning, Charles J. Call, Joseph G. Birmingham, Donald J. Hammerstrom
Patented Case
View Patent ↗
Granted: Jul 31, 2001
Filed: Mar 10, 1999
Inventors
Patrick Call
Vanessa M. Kenning
Charles J. Call
Joseph G. Birmingham
Donald J. Hammerstrom
Assignee (at issue)
MesoSystems Technology, 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.