2001-04-16
2003-04-29
Watson, Gary D. (Department: 2913)
Design Patent
active
D0473737
CLAIM:
The ornamental design for control mechanism for a chair, as shown.
REFERENCES:
patent: D285633 (1986-09-01), Doerner
patent: D289119 (1987-04-01), Opsvik
patent: D289591 (1987-05-01), Groseth
patent: D364044 (1995-11-01), Proietto et al.
patent: D433834 (2000-11-01), Neil
patent: D446955 (2001-08-01), Zemp
Klaesener Michael
Seiler Mathias
Sedus Stoll AG
Watson Gary D.
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