Granted Patent
Utility
US 6,158,454 · App. 09/060,519
Sieve like structure for fluid flow through structural arrangement
Inventors:
Michael J. Duret, Erin Martin Hasenkamp, Jeffrey R. Markulec, Dennis George Rex, Richard Erich Schuster
Patented Case
View Patent ↗
Granted: Dec 12, 2000
Filed: Apr 14, 1998
Inventors
Michael J. Duret
Erin Martin Hasenkamp
Jeffrey R. Markulec
Dennis George Rex
Richard Erich Schuster
Assignee (at issue)
Insync Systems, 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.