Granted Patent
Utility
US 6,701,762 · App. 10/152,329
Canasta for forming tubes of different diameters
Inventor:
Edgardo Diaz Coello
Patented Case
View Patent ↗
Granted: Mar 9, 2004
Filed: May 20, 2002
Inventor
Edgardo Diaz Coello
Assignee (at issue)
Amanco Holding 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.