Granted Patent
Utility
US 5,159,849 · App. 07/772,404
Serpentine tube inspection positioning spine
Inventor:
Robert E. Womack
Patented Case
View Patent ↗
Granted: Nov 3, 1992
Filed: Oct 7, 1991
Inventor
Robert E. Womack
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.