Louis H. Liang

AT Angstrom Technologies: 3 patents #1 of 1Top 100%

📍 Los Altos, CA: #53 of 415 inventorsTop 15%

🗺 California: #2,144 of 26,763 inventorsTop 9%

Overall (2002): #25,361 of 266,432Top 10%

Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
6470093	First-order authentication system	—	2002-10-22
6373965	Apparatus and methods for authentication using partially fluorescent graphic images and OCR characters	—	2002-04-16
D453175	Money checker	—	2002-01-29