Granted Patent
Utility
US 6,461,537 · App. 09/607,380
Water repellent glass treatment for automotive applications
Inventors:
David E. Turcotte, Frances E. Lockwood, Richard J. Baumgart, Michael A. Dituro, Claude S. Phoenix
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Jun 30, 2000
Inventors
David E. Turcotte
Frances E. Lockwood
Richard J. Baumgart
Michael A. Dituro
Claude S. Phoenix
Assignee (at issue)
Ashland, Inc.
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.