Blockade seal
Book cover and note keeper system
Color coded ID cards
Color selection and identification guides for architectural...
Copy restrictive color-reversal documents
Credit card
Data carrier with optically variable color
Indicating the condition of a surface
Machine detectable document of value
Manufacturer's indicator and method for color coordination and s
Perpetual coded calender
Printed color image
Product label
Quality data collection in rotary offset printing of single edit
Thermally imagable business record and method of desensitizing a
Toy for producing a concealed message and revealing a...
Writing pad with helix configuration