Granted Patent
Utility
US 5,142,895 · App. 07/351,991
Method for bending tubes
Inventor:
Eugene H. Schuchert
Patented Case
View Patent ↗
Granted: Sep 1, 1992
Filed: May 15, 1989
Inventor
Eugene H. Schuchert
Assignee (at issue)
Amana Refrigeration, Inc.
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.