Granted Patent
Utility
US 6,672,826 · App. 10/117,251
Compressor surge control apparatus
Inventor:
Marc Leduc
Patented Case
View Patent ↗
Granted: Jan 6, 2004
Filed: Apr 5, 2002
Inventor
Marc Leduc
Assignee (at issue)
Mafi-Trench 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.