Inventor

GREEN WILLIAM D

US5 patents

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

XEROX CORP

3 patents

US4738901AApr 19, 1988

GREEN WILLIAM D

1 patent

US5069230ADec 3, 1991

Smoke generating apparatus

GREEN WILLIAM D20 citations75

LIGHTWEIGHT BLOCK CO INC

1 patent

US4172344AOct 30, 1979

Masonry units having removable flanges

LIGHTWEIGHT BLOCK CO INC17 citations59

GREEN WILLIAM D

XEROX CORP

Method and apparatus for the prevention of unauthorized copying of documents

Method and apparatus for the prevention of unauthorized copying of documents

Controlled authentic document recognition equipment

GREEN WILLIAM D

Smoke generating apparatus

LIGHTWEIGHT BLOCK CO INC

Masonry units having removable flanges