Granted Patent
Utility
US 4,679,474 · App. 06/806,234
Cutting thermoplastic webs
Inventor:
Emiel Lambrecht
Patented Case
View Patent ↗
Granted: Jul 14, 1987
Filed: Dec 6, 1985
Inventor
Emiel Lambrecht
Assignee (at issue)
FMC 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.