Granted Patent
Utility
US 6,487,889 · App. 10/004,701
Tube bender
Inventors:
Darryle E. Bates, Scott S. Kalanish
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Dec 4, 2001
Inventors
Darryle E. Bates
Scott S. Kalanish
Assignee (at issue)
STRIDE TOOL, LLC
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.