IP Library Granted Patent US 6,604,139
Granted Patent Utility
US 6,604,139 · Confirmation No. 8705

VOICE PROTOCOL FILTERING SYSTEM AND METHOD

Patented Case View Patent ↗
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Code Description Pages PDF
2001-12-14 TRNA Transmittal of New Application 3 View
2001-12-14 SPEC Specification 18 View
2001-12-14 CLM Claims 6 View
2001-12-14 ABST Abstract 1 View
2001-12-14 DRW Drawings-only black and white line drawings 8 View
2001-12-14 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,604,139
App. No.
10/020,406
Filed
2001-12-14
Granted
2003-08-05
Art Unit
2141
PTA
-116 days