Granted Patent
Utility
US 6,655,246 · App. 10/024,447
Machine tool
Inventor:
Walter Grossmann
Patented Case
View Patent ↗
Granted: Dec 2, 2003
Filed: Dec 18, 2001
Inventor
Walter Grossmann
Assignee (at issue)
Index-Werke GmbH & Co. KG Hahn & Tessky
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.