Ergonomic chair

Details Ergonomic chair Ergonomic chair

1994-05-03

1995-05-23

Douglas, Alan P.

Furnishings

Furniture, freestanding support, or frame therefor

Seating unit

D 6380

Patent

active

D03584984

REFERENCES:
patent: D135474 (1943-04-01), Wagner
patent: D135778 (1943-06-01), Wood
patent: D137214 (1944-02-01), Koenig
patent: D181032 (1957-09-01), Winer
patent: D188656 (1960-08-01), Wagner
patent: D207102 (1967-03-01), Hennessey
patent: D243296 (1977-02-01), Gottsegen
patent: D243486 (1977-03-01), Buhk
patent: D275242 (1984-08-01), Stephens
patent: D283858 (1986-05-01), Opsvik
patent: 1065022 (1913-06-01), Bell
patent: 3142514 (1964-07-01), Ginat
patent: 3541313 (1970-11-01), Buzzi
patent: 3669493 (1972-06-01), Vowles
patent: 3754787 (1973-08-01), Garber
patent: 4367897 (1983-01-01), Cousins
patent: 4522404 (1985-11-01), Congleton
patent: 5246266 (1993-09-01), Ostergaard

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