David Mark Ambler

YM Younger Mfg.: 1 patents #1 of 2Top 50%

📍 Lomita, CA: #7 of 33 inventorsTop 25%

🗺 California: #27,528 of 67,890 inventorsTop 45%

Overall (2019): #500,955 of 560,194Top 90%

Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
10175508	Photochromic optical lens with selective blue light attenuation	Lingbing Lynn Zhao	2019-01-08