Granted Patent
Utility
US 4,137,145 · App. 05/866,447
Separating web for electrolytic apparatuses
Inventor:
Bruce S. Wallace
Patented Case
View Patent ↗
Granted: Jan 30, 1979
Filed: Jan 3, 1978
Inventor
Bruce S. Wallace
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.