Granted Patent
Utility
US 4,668,339 · App. 06/793,460
Process for dry deinking of secondary fiber sources
Inventor:
Byron R. Terry
Patented Case
View Patent ↗
Granted: May 26, 1987
Filed: Oct 28, 1985
Inventor
Byron R. Terry
Assignee (at issue)
Kimberly-Clark Inc.
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.