Granted Patent
Utility
US 6,375,432 · App. 09/745,121
Pipeline air pocket detection system
Inventors:
Alexander Krasny, Thomas M. Anderson
Patented Case
View Patent ↗
Granted: Apr 23, 2002
Filed: Dec 20, 2000
Inventors
Alexander Krasny
Thomas M. Anderson
Assignee (at issue)
Schwing America, 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.