Granted Patent
Utility
US 6,282,863 · App. 09/109,628
Scaffoldless tank erection method
Inventors:
Harold B. ("Scott") Christian, William R. Easter
Patented Case
View Patent ↗
Granted: Sep 4, 2001
Filed: Jul 2, 1998
Inventors
Harold B. ("Scott") Christian
William R. Easter
Assignee (at issue)
Chicago Bridge & Iron Co.
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.