Granted Patent
Utility
US 5,112,220 · App. 07/203,137
Air flotation dryer with built-in afterburner
Inventors:
Richard J. Wimberger, Richard A. Carman
Patented Case
View Patent ↗
Granted: May 12, 1992
Filed: Jun 7, 1988
Inventors
Richard J. Wimberger
Richard A. Carman
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.