Granted Patent
Utility
US 5,528,839 · App. 08/509,567
Control and arrangement of a continuous process for an industrial dryer
Inventor:
Paul Seidl
Patented Case
View Patent ↗
Granted: Jun 25, 1996
Filed: Jul 31, 1995
Inventor
Paul Seidl
Assignee (at issue)
W.R. Grace & Co. Conn.
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.