Inventor

MALLAK FRANK P

US2 patents

⚠️ This page may combine multiple inventors who share the name “MALLAK FRANK P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TRANSITION OPTICAL INC

1 patent

US7560056B2Jul 14, 2009

Photochromic contact lenses and methods of manufacturing

TRANSITION OPTICAL INC46 citations94

PPG IND OHIO INC

1 patent

US7368072B2May 6, 2008

Photochromic contact lenses and methods of manufacturing

PPG IND OHIO INC29 citations91