Granted Patent
Utility
US 5,519,639 · App. 08/207,492
Level indication system
Inventors:
Chris Jordan, Rajat PATEL, Stephen L. Eschbach
Patented Case
View Patent ↗
Granted: May 21, 1996
Filed: Mar 4, 1994
Inventors
Chris Jordan
Rajat PATEL
Stephen L. Eschbach
Assignee (at issue)
The Babcock & Wilcox Company
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.