Granted Patent
Utility
US 6,559,922 · App. 09/846,386
Method and apparatus for a non-contact scavenging seal
Inventors:
Eric Hansell, Jose V. Herrera, Richard L. Huse, Jorge Ivaldi, Stephen G. Krehley, Thomas P. Shamaly
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: May 2, 2001
Inventors
Eric Hansell
Jose V. Herrera
Richard L. Huse
Jorge Ivaldi
Stephen G. Krehley
Thomas P. Shamaly
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.