Granted Patent
Utility
US 6,506,233 · App. 10/037,825
Desiccant tablets for gas drying
Inventor:
Kevin W. Smith
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Nov 9, 2001
Inventor
Kevin W. Smith
Assignee (at issue)
ClearWater Holdings, Ltd.
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.