Granted Patent
Utility
US 4,556,451 · App. 06/644,132
Method of and apparatus for substantially equal compacting and dewatering of both faces of freshly felted paper web
Inventor:
Donald A. Ely
Patented Case
View Patent ↗
Granted: Dec 3, 1985
Filed: Aug 22, 1984
Inventor
Donald A. Ely
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.