Inventor

CHADWICK DONALD T

22 patents

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

MILLER HERMAN INC

7 patents

US4529247AJul 16, 1985

One-piece shell chair

MILLER HERMAN INC207 citations99

USD289120SApr 7, 1987

Chair shell

MILLER HERMAN INC104 citations96

USD299192SJan 3, 1989

Chair

MILLER HERMAN INC28 citations92

USD296394SJun 28, 1988

Chair

MILLER HERMAN INC32 citations92

US4718716AJan 12, 1988

Reclining chair

MILLER HERMAN INC44 citations92

USD296623SJul 12, 1988

Stool or similar article

MILLER HERMAN INC22 citations82

USD295347SApr 26, 1988

Chair

MILLER HERMAN INC24 citations82

KNOLL INC

5 patents

US7887131B2Feb 15, 2011

Lumbar support

KNOLL INC118 citations96

USD471024SMar 4, 2003

Chair

KNOLL INC58 citations96

USD607661SJan 12, 2010

Chair

KNOLL INC32 citations92

USD475544SJun 10, 2003

Chair

KNOLL INC33 citations92

USD606771SDec 29, 2009

Chair

KNOLL INC12 citations84

AMERICAN SEATING CO

4 patents

US4889385ADec 26, 1989

Chair seat-and-back support

AMERICAN SEATING CO217 citations97

USD318577SJul 30, 1991

Chair

AMERICAN SEATING CO18 citations80

USD346282SApr 26, 1994

Side chair

AMERICAN SEATING CO11 citations72

USD344649SMar 1, 1994

Chair spine

AMERICAN SEATING CO9 citations72

NORTHERN TELECOM LTD

4 patents

US4533791AAug 6, 1985

Input/output device arrangements for terminals

NORTHERN TELECOM LTD81 citations96

USD265311SJul 6, 1982

Telephone display set base

NORTHERN TELECOM LTD7 citations74

US4453689AJun 12, 1984

Adjustable mounting

NORTHERN TELECOM LTD12 citations73

USD253703SDec 18, 1979

Housing for telephone set

NORTHERN TELECOM LTD10 citations72

CHADWICK DONALD T

1 patent

US8480171B2Jul 9, 2013

Office chair

CHADWICK DONALD T41 citations90

NORTEL NETWORKS CORP

1 patent

US6019338AFeb 1, 2000

Tilt stand for desktop terminal

NORTEL NETWORKS CORP18 citations83