You never had any!
Pulitzer is also known as an Explorer, Publisher and Inventor. Pulitzer has several hundred patents domestically and patents in 189 countries globally. His Scan-To-Connect,,and Scan Commerce, Patents are now licensed to all global mobile device manufactures who have more than 12 billion devices ,,,,,,utilizing his vast patent portfolio.
Current Patent Work
Did not invent QR codes, what you're talking about is no longer used and is on no mobile devices.