Granted Patent
Utility
US 4,256,562 · App. 06/040,018
Unitary filter press cell circuit
Inventors:
Luciano Mose, Helmut Schurig, Bernd Strasser
Patented Case
View Patent ↗
Granted: Mar 17, 1981
Filed: May 17, 1979
Inventors
Luciano Mose
Helmut Schurig
Bernd Strasser
Assignee (at issue)
Hooker Chemicals & Plastics 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.