Granted Patent
Utility
US 4,288,286 · App. 06/126,594
Kraft mill recycle process
Inventor:
Willard A. Fuller
Patented Case
View Patent ↗
Granted: Sep 8, 1981
Filed: Mar 3, 1980
Inventor
Willard A. Fuller
Assignee (at issue)
Hooker Chemicals & Plastics 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.