Granted Patent
Utility
US 5,961,152 · App. 08/865,136
Security paper having an embedded and deformed security thread and a process for making the security paper
Inventors:
David E. Washburn, Rajendra Mehta, Harry Allen Seifert
Patented Case
View Patent ↗
Granted: Oct 5, 1999
Filed: May 29, 1997
Inventors
David E. Washburn
Rajendra Mehta
Harry Allen Seifert
Assignee (at issue)
Standard Register, 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.