Granted Patent
Utility
US 6,090,447 · App. 08/907,093
Process for forming a water-repellent thin film
Inventors:
Yoshitada Suzuki, Takashige Yoneda
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Aug 6, 1997
Inventors
Yoshitada Suzuki
Takashige Yoneda
Assignee (at issue)
ASAHI GLASS CO., 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.