Granted Patent
Utility
US 6,506,018 · App. 09/889,462
Casing design for rotating machinery and method for manufacture thereof
Inventor:
Raymond J. Brennan
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Jul 16, 2001
Inventor
Raymond J. Brennan
Assignee (at issue)
Elliott Turbomachinery Co., 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.