Granted Patent
Utility
US 4,615,767 · App. 06/664,462
Process for removing ink-bearing fines from dry-deinked secondary fiber sources
Inventors:
Robert M. Miers, Byron R. Terry
Patented Case
View Patent ↗
Granted: Oct 7, 1986
Filed: Oct 25, 1984
Inventors
Robert M. Miers
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.