Granted Patent
Utility
US 4,872,307 · App. 07/049,650
Retrofit of simple cycle gas turbines for compressed air energy storage application
Inventor:
Michael Nakhamkin
Patented Case
View Patent ↗
Granted: Oct 10, 1989
Filed: May 13, 1987
Inventor
Michael Nakhamkin
Assignee (at issue)
Gibbs & Hill, 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.