Granted Patent
Utility
US 5,572,937 · App. 08/589,427
Reciprocating grate cooler
Inventors:
Gert Tegtmeier, Manfred Strohbusch, Bernd Henrich, Pedro Guerrero Palma, Andreas Halbleib
Patented Case
View Patent ↗
Granted: Nov 12, 1996
Filed: Jan 22, 1996
Inventors
Gert Tegtmeier
Manfred Strohbusch
Bernd Henrich
Pedro Guerrero Palma
Andreas Halbleib
Assignee (at issue)
Krupp Polysius AG
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.