Granted Patent
Utility
US 5,427,477 · App. 08/238,502
Tool for calibrating and deburring pipe ends
Inventor:
Paul Weiss
Patented Case
View Patent ↗
Granted: Jun 27, 1995
Filed: May 5, 1994
Inventor
Paul Weiss
Assignee (at issue)
Geberit Technik 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.