Granted Patent
Utility
US 5,573,282 · App. 08/390,244
Low turbulence joint for lined slurry pipeline
Inventors:
Randall Egner, Dale A. Kneller
Patented Case
View Patent ↗
Granted: Nov 12, 1996
Filed: Feb 16, 1995
Inventors
Randall Egner
Dale A. Kneller
Assignee (at issue)
United Pipeline 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.