IP Library › Granted Patent US 6,646,406
Granted Patent Utility PCT National Stage
US 6,646,406 · Confirmation No. 9429

ELECTRICAL MACHINES

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2002-04-26 LET. Miscellaneous Incoming Letter 41 View
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Quick Facts
Patent No.
US 6,646,406
App. No.
10/049,263
Filed
2002-04-26
Effective Filing
2002-01-30
Granted
2003-11-11
Examiner
MASIH, KAREN
Art Unit
2837
PTA
0 days