Granted Patent
Utility
US 5,051,167 · App. 07/461,098
Apparatus for screening a suspension of fibrous cellulose material
Inventor:
Ronny Hoglund
Patented Case
View Patent ↗
Granted: Sep 24, 1991
Filed: Jan 4, 1990
Inventor
Ronny Hoglund
Assignee (at issue)
Kamyr 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.