Inventor

TROUT ROBERT G

3 patents

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

MATTEL INC

2 patents

US4139965AFeb 20, 1979

Device using coated paper and chemical reactive marker

MATTEL INC55 citations91

US4215843AAug 5, 1980

Toy molding apparatus and material for use therewith

MATTEL INC43 citations86

OWENS CORNING FIBERGLASS CORP

1 patent

US3934312AJan 27, 1976

Method of and apparatus for making continuous strand mat

OWENS CORNING FIBERGLASS CORP5 citations58