Machines not elsewhere specified – Heat treatment – welding or brazing – Scientific – laboratory – or industrial heating equipment
Design Patent
1999-05-18
2001-12-11
Davis, Antoine Duval (Department: 2913)
Machines not elsewhere specified
Heat treatment, welding or brazing
Scientific, laboratory, or industrial heating equipment
Design Patent
active
D0451937
CLAIM:
The ornamental design for a vertical stepper stage apparatus, as shown and described.
REFERENCES:
patent: D. 397346 (1998-08-01), Fan et al.
patent: 5653622 (1997-08-01), Drill et al.
Rauch Franz
Selzer Robert A.
Davis Antoine Duval
Neiman Thomas
SAL, Inc.
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