Granted Patent
Utility
US 6,691,545 · App. 10/018,481
Tool and a method for pressure shaping
Inventor:
Erik Aagaard
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: Dec 19, 2001
Inventor
Erik Aagaard
Assignee (at issue)
Hydraulico A/S
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.