Granted Patent
Utility
US 6,720,291 · App. 09/935,808
Well treatment composition for use in iron-rich environments
Inventors:
Gene H. Zaid, Beth Ann Wolf
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Aug 23, 2001
Inventors
Gene H. Zaid
Beth Ann Wolf
Assignee (at issue)
JaCam Chemicals, LLC
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.