IH

Ira Hessel

PI Photoprotective Technologies Incorporated: 2 patents #2 of 2Top 100%
📍 San Antonio, TX: #2,044 of 5,017 inventorsTop 45%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,087,151 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8133414 Light filters using yellow melanin and melanin-like oligomers and photochromic dyes James M. Gallas 2012-03-13
8048343 Light filters using yellow melanin and melanin-like oligomers and photochromic dyes James M. Gallas 2011-11-01