Granted Patent
Utility
US 6,527,821 · App. 10/086,328
Automatic condensed oil remover
Inventors:
Benjamin Y. H. Liu, James J. Sun
Patented Case
View Patent ↗
Granted: Mar 4, 2003
Filed: Feb 28, 2002
Inventors
Benjamin Y. H. Liu
James J. Sun
Assignee (at issue)
MSP 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.