Granted Patent
Utility
US 4,141,788 · App. 05/902,116
Method of and means for forming multi-ply paper webs from a single headbox
Inventor:
Edgar J. Justus
Patented Case
View Patent ↗
Granted: Feb 27, 1979
Filed: May 2, 1978
Inventor
Edgar J. Justus
Assignee (at issue)
Beloit 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.