Granted Patent
Utility
US 6,774,146 · App. 10/214,467
Dispersant and foaming agent combination
Inventors:
Arpad Savoly, Dawn Elko, Bennie Veal, James McCrary
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Aug 7, 2002
Inventors
Arpad Savoly
Dawn Elko
Bennie Veal
James McCrary
Assignee (at issue)
GEO Specialty Chemicals, 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.