IP Library Granted Patent US 6,464,211
Granted Patent Utility PCT National Stage
US 6,464,211 · Confirmation No. 9970

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Inventor: Ernest W. Downs
Patented Case View Patent ↗
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Code Description Pages PDF
2001-11-16 LET. Miscellaneous Incoming Letter 28 View
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Quick Facts
Patent No.
US 6,464,211
App. No.
09/914,666
Filed
2001-11-16
Effective Filing
2001-08-31
Granted
2002-10-15
Art Unit
1724
PTA
-8 days