Granted Patent
Utility
US 4,378,286 · App. 06/220,595
Filter press type electrolytic cell and frames for use therein
Inventors:
Jeffrey D. Eng, Cyril J. Harke, Tsujihiko Eukunaga, Helmuth Schurig, Luciano Mose
Patented Case
View Patent ↗
Granted: Mar 29, 1983
Filed: Dec 29, 1980
Inventors
Jeffrey D. Eng
Cyril J. Harke
Tsujihiko Eukunaga
Helmuth Schurig
Luciano Mose
Assignee (at issue)
Occidental Chemical 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.