Granted Patent
Utility
US 6,169,064 · App. 08/896,685
Amine ether acid salt surfactant composition
Inventors:
James A. Krogh, Michael R. Sipe
Patented Case
View Patent ↗
Granted: Jan 2, 2001
Filed: Jul 18, 1997
Inventors
James A. Krogh
Michael R. Sipe
Assignee (at issue)
Tomah Products, 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.