Granted Patent
Utility
US 5,590,480 · App. 08/412,428
combination air bar and hole bar flotation dryer
Inventors:
Michael P. Bria, Jeffrey Quass
Patented Case
View Patent ↗
Granted: Jan 7, 1997
Filed: Mar 29, 1995
Inventors
Michael P. Bria
Jeffrey Quass
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.