Inventor

MALTMAN WILLIAM R

GB3 patents

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

PLESSEY CO PLC

1 patent

US4576766AMar 18, 1986

Photochromic compounds and their use in photoreactive lenses

PLESSEY CO PLC82 citations92

PILKINGTON PLC

1 patent

US4889413ADec 26, 1989

Manufacture of photochromic articles

PILKINGTON PLC113 citations89

PILKINGTON BROTHERS PLC

1 patent

US4851471AJul 25, 1989

Process for manufacturing photochromic articles

PILKINGTON BROTHERS PLC16 citations65