Granted Patent
Utility
US 6,318,034 · App. 09/520,870
Elevated storage tank
Inventors:
Bryant A. Zavitz, James B. Tysse, William J. Czaska, Steven R. Brock
Patented Case
View Patent ↗
Granted: Nov 20, 2001
Filed: Mar 8, 2000
Inventors
Bryant A. Zavitz
James B. Tysse
William J. Czaska
Steven R. Brock
Assignees (at issue)
TINDALL CORPORATION
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.