2003-08-26
2004-08-24
Zarfas, Louis S. (Department: 2914)
Design Patent
active
D0494865
CLAIM:
I claim the ornamental design for the actuation assistance apparatus, as shown and described.
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patent: 4712454 (1987-12-01), Hull et al.
patent: D349241 (1994-08-01), Isaacson
patent: 6173870 (2001-01-01), Taylor
patent: D460669 (2002-07-01), Cizek
Andoll Gregory
Leydig , Voit & Mayer, Ltd.
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