Granted Patent
Utility
US 6,161,870 · App. 09/425,317
Card with removable, reusable element
Inventor:
Eric Blank
Patented Case
View Patent ↗
Granted: Dec 19, 2000
Filed: Oct 21, 1999
Inventor
Eric Blank
Assignee (at issue)
Arthur Blank & Company, 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.