Inventor

HILLMAN THEODORE E

US6 patents

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

USG INTERIORS INC

3 patents

US5560881AOct 1, 1996

Apparatus for producing a fissured, acoustical ceiling panel and method for manufacturing said apparatus

USG INTERIORS INC11 citations72

USD308577SJun 12, 1990

Embossed acoustical ceiling panel

USG INTERIORS INC8 citations71

USD308578SJun 12, 1990

Embossed acoustical ceiling panel

USG INTERIORS INC16 citations71

CONWED CORP

2 patents

US4083273AApr 11, 1978

Hole punching method and apparatus

CONWED CORP7 citations70

US4037499AJul 26, 1977

Method and apparatus for perforating fibrous board surfaces in non-repetitive patterns

CONWED CORP4 citations60

USG ACOUSTICAL PRODUCTS COMPAN

1 patent

US4711685ADec 8, 1987

Soft textured reveal edge ceiling board and process for its manufacture

USG ACOUSTICAL PRODUCTS COMPAN16 citations70