Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Security thread, a film and a method of manufacture of a security thread

Security thread, a film and a method of manufacture of a security thread

US Patent 5631039 · Granted May 20, 1997

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Pomegranate seed oil composition2015
Security substrate incorporating elongate security elements2014
Optically variable magnetic stripe assembly2013
Optically variable magnetic stripe assembly2011
Paper incorporating a wide elongate impermeable element, and a method of making 2008
Animal refuse shovel with attachable bag2002
Document of value2000
Document of value2000
High value documents1997
Method for making sheet materials and security paper1995
Security paper for bank notes and the like1990
Method and apparatus for identifying fractured brittle articles1985