Granted Patent
Utility
US 6,206,611 · App. 09/242,752
Device for cleaning the tire of a roller
Inventor:
Martin Schreck
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: Feb 19, 1999
Inventor
Martin Schreck
Assignee (at issue)
Wacker-Werke GmbH & Co. KG
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.