Granted Patent
Utility
US 5,684,072 · App. 08/408,672
Waterborne coating compositions having improved smoothness
Inventors:
Daniel E. Rardon, Roxalana L. Martin, Dennis L. Faler, James E. Poole
Patented Case
View Patent ↗
Granted: Nov 4, 1997
Filed: Mar 22, 1995
Inventors
Daniel E. Rardon
Roxalana L. Martin
Dennis L. Faler
James E. Poole
Assignee (at issue)
PPG Industries, 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.