Granted Patent
Utility
US 5,836,688 · App. 08/903,349
Method and apparatus for processing materials
Inventor:
Karl Eping
Patented Case
View Patent ↗
Granted: Nov 17, 1998
Filed: Jul 30, 1997
Inventor
Karl Eping
Assignee (at issue)
Laeis Bucher 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.