Granted Patent
Utility
US 6,086,718 · App. 09/015,946
Apparatus for improving filler retention in papermaking
Inventors:
Richard Douglas Carter, Britt Ciccrehi
Patented Case
View Patent ↗
Granted: Jul 11, 2000
Filed: Jan 3, 1998
Inventors
Richard Douglas Carter
Britt Ciccrehi
Assignee (at issue)
J.M. Huber 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.