IP Library Granted Patent US 6,510,940
Granted Patent Utility PCT National Stage
US 6,510,940 · Confirmation No. 5972

VACUUM ASSISTED WALKING BEAM APPARATUS

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2001-07-25 LET. Miscellaneous Incoming Letter 18 View
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Quick Facts
Patent No.
US 6,510,940
App. No.
09/890,040
Filed
2001-07-25
Granted
2003-01-28
Art Unit
3651
PTA
0 days