Granted Patent
Utility
US 5,531,482 · App. 08/411,382
Card with removable reusable element
Inventor:
Eric Blank
Patented Case
View Patent ↗
Granted: Jul 2, 1996
Filed: Mar 28, 1995
Inventor
Eric Blank
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.