IP Library › Granted Patent US 6,721,539
Granted Patent Utility PCT National Stage Small
US 6,721,539 · Confirmation No. 2966

COMMUNICATIONS DEVICE RETROREFLECTING INCIDENT MODULATED RADIATION

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2004-02-27 IFEE Issue Fee Payment (PTO-85B) 3 View
2001-01-05 TRNA Transmittal of New Application 22 View
2001-01-05 TRNA Transmittal of New Application 22 View
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Quick Facts
Patent No.
US 6,721,539
App. No.
09/700,279
Filed
2001-01-05
Granted
2004-04-13
Art Unit
2685
PTA
0 days