Granted Patent
Utility
US 5,439,157 · App. 08/276,136
Automated butt weld inspection system
Inventors:
Daniel P. Geier, Kenneth R. Camplin
Patented Case
View Patent ↗
Granted: Aug 8, 1995
Filed: Jul 18, 1994
Inventors
Daniel P. Geier
Kenneth R. Camplin
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.