Granted Patent
Utility
US 4,131,270 · App. 05/789,921
Means for positioning steam condenser tube support plates
Inventors:
George J. Williams, Robert C. Boyer
Patented Case
View Patent ↗
Granted: Dec 26, 1978
Filed: Apr 22, 1977
Inventors
George J. Williams
Robert C. Boyer
Assignee (at issue)
Ecolaire Incorporated
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.