Inventor

HANNA TIMOTHY D

US3 patents

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

ENVIRODYNE TECHNOLOGIES INC

1 patent

US7258784B2Aug 21, 2007

Solid liquid filtration apparatus and method

ENVIRODYNE TECHNOLOGIES INC15 citations74

MASONITE CORP

1 patent

US5603881AFeb 18, 1997

Alkali metal salts as surface treatments for fiberboard

MASONITE CORP13 citations68

UNITED STATES GYPSUM CO

1 patent

US4634498AJan 6, 1987

Method for the production of high density fiberboard

UNITED STATES GYPSUM CO3 citations50