Granted Patent
Utility
US 6,708,817 · App. 09/974,948
Drive and tensioning station of a chain scraper conveyor
Inventors:
Adam Klabisch, Gerhard Merten, Hans Meya
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: Oct 11, 2001
Inventors
Adam Klabisch
Gerhard Merten
Hans Meya
Assignee (at issue)
DBT GMBH
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.