Granted Patent
Utility
US 5,363,421 · App. 08/091,696
Control rod guide tube
Inventor:
Franklin D. Obermeyer
Patented Case
View Patent ↗
Granted: Nov 8, 1994
Filed: Jul 13, 1993
Inventor
Franklin D. Obermeyer
Assignee (at issue)
Westinghouse Electric Company LLC
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.