Granted Patent
Utility
US 6,110,271 · App. 08/923,325
Methods for improved rheological control in cementitious systems
Inventors:
Bryan Skaggs, Walter Rakitsky, Alain PHYFFEROEN
Patented Case
View Patent ↗
Granted: Aug 29, 2000
Filed: Sep 4, 1997
Inventors
Bryan Skaggs
Walter Rakitsky
Alain PHYFFEROEN
Assignee (at issue)
Pharmacia Corporation
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.