Granted Patent
Utility
US 4,855,583 · App. 07/086,061
Structure and method of making combination proximity/insertion identification cards
Inventors:
Steven A. Fraser, David E. Johnston, Reece D. Metzger
Patented Case
View Patent ↗
Granted: Aug 8, 1989
Filed: Aug 17, 1987
Inventors
Steven A. Fraser
David E. Johnston
Reece D. Metzger
Assignee (at issue)
Figgie Inernational 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.