Granted Patent
Utility
US 5,669,258 · App. 08/664,066
Tube bender angle indicator
Inventor:
Thomas M. Luebke
Patented Case
View Patent ↗
Granted: Sep 23, 1997
Filed: Jun 13, 1996
Inventor
Thomas M. Luebke
Assignee (at issue)
Applied Power 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.