Granted Patent
Utility
US 6,809,486 · App. 10/016,966
Active vibration and balance system for closed cycle thermodynamic machines
Inventors:
Songgang Qiu, John E. Augenblick, Allen Peterson, Maurice A. White
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Dec 14, 2001
Inventors
Songgang Qiu
John E. Augenblick
Allen Peterson
Maurice A. White
Assignee (at issue)
Stirling Technology, 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.