Granted Patent
Utility
US 6,331,513 · App. 09/301,248
Compositions for dissolving metal sulfates
Inventors:
Gene H. Zaid, Beth Ann Wolf
Patented Case
View Patent ↗
Granted: Dec 18, 2001
Filed: Apr 28, 1999
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.