Granted Patent
Utility
US 4,312,255 · App. 06/098,046
Arrangement for edge trimming of a moving material web
Inventor:
Sven N. H. Holmstrom
Patented Case
View Patent ↗
Granted: Jan 26, 1982
Filed: Nov 28, 1979
Inventor
Sven N. H. Holmstrom
Assignee (at issue)
Tetra Pak International AB
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.