Granted Patent
Utility
US 5,567,237 · App. 08/259,641
Continuous drier for board-shaped piece material and coating installation comprising such a continuous drier
Inventors:
Diethard Kapp-Schwoerer, Rainer Krauss
Patented Case
View Patent ↗
Granted: Oct 22, 1996
Filed: Jun 14, 1994
Inventors
Diethard Kapp-Schwoerer
Rainer Krauss
Assignee (at issue)
Ciba-Geigy
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.