Granted Patent
Utility
US 5,331,678 · App. 08/054,189
Spacer grid rod support system
Inventors:
Stephen C. Hatfield, Richard P. Broders
Patented Case
View Patent ↗
Granted: Jul 19, 1994
Filed: Apr 27, 1993
Inventors
Stephen C. Hatfield
Richard P. Broders
Assignee (at issue)
Combustion Engineering, Inc.
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.