Granted Patent
Utility
US 6,395,186 · App. 09/599,082
Pressure liquid filtration with ultrasonic bridging prevention
Inventors:
Allen De Kock, Christopher Scott Rau
Patented Case
View Patent ↗
Granted: May 28, 2002
Filed: Jun 20, 2000
Inventors
Allen De Kock
Christopher Scott Rau
Assignee (at issue)
Delaware Capital Formation, 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.