Granted Patent
Utility
US 6,503,420 · App. 09/362,260
Anti-corrosion solutions for air dehumidification systems
Inventor:
Shyam Kumar Verma
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Jul 28, 1999
Inventor
Shyam Kumar Verma
Assignee (at issue)
FMC 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.