Granted Patent
Utility
US 4,548,673 · App. 06/600,923
Method and apparatus for deinking
Inventors:
Ashok K. Nanda, Luigi Silveri, Michael A. McCool
Patented Case
View Patent ↗
Granted: Oct 22, 1985
Filed: Apr 16, 1984
Inventors
Ashok K. Nanda
Luigi Silveri
Michael A. McCool
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.