Granted Patent
Utility
US 6,623,549 · App. 10/110,071
Dye wafer retention in a desiccant container
Inventors:
John M. Evans, Glenn Perrine
Patented Case
View Patent ↗
Granted: Sep 23, 2003
Filed: Apr 4, 2002
Inventors
John M. Evans
Glenn Perrine
Assignee (at issue)
Stanhope Products Co.
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.