Granted Patent
Utility
US 5,622,776 · App. 08/223,433
Coated glass fiber for use in evaporative cooler media and method of forming same
Inventor:
Esu S. Esu
Patented Case
View Patent ↗
Granted: Apr 22, 1997
Filed: Apr 5, 1994
Inventor
Esu S. Esu
Assignee (at issue)
Hollinee, LLC
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.