Granted Patent
Utility
US 4,850,849 · App. 07/188,037
Apparatus for steam pressing compressible mat material
Inventor:
Wu-Hsiung E. Hsu
Patented Case
View Patent ↗
Granted: Jul 25, 1989
Filed: Apr 29, 1988
Inventor
Wu-Hsiung E. Hsu
Assignee (at issue)
Forintek Canada Corp.
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.