Granted Patent
Utility
US 6,561,944 · App. 09/840,908
Sun gear shell assembly
Inventors:
Chao Lu, Chester F. Rutkowski
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Apr 25, 2001
Inventors
Chao Lu
Chester F. Rutkowski
Assignee (at issue)
SPX Corporation
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.