Granted Patent
Utility
US 5,230,780 · App. 07/838,982
Electrolyzing halogen-containing solution in a membrane cell
Inventors:
Richard C. Carlson, Kenneth L. Hardee
Patented Case
View Patent ↗
Granted: Jul 27, 1993
Filed: Feb 21, 1992
Inventors
Richard C. Carlson
Kenneth L. Hardee
Assignee (at issue)
Eltech Systems 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.