USD451937SExpiredUtility

Vertical stepper stage apparatus

Assignee: SAL INCPriority: May 18, 1999Filed: May 18, 1999Granted: Dec 11, 2001

Est. expiryMay 18, 2019(expired)· nominal 20-yr term from priority

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Claims

exact text as granted — not AI-modified

The ornamental design for a vertical stepper stage apparatus, as shown and described.

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