Granted Patent
Utility
US 4,366,198 · App. 06/246,937
Sheet material separation construction
Inventor:
Robert J. Ramspacher
Patented Case
View Patent ↗
Granted: Dec 28, 1982
Filed: Mar 24, 1981
Inventor
Robert J. Ramspacher
Assignee (at issue)
RCA 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.