IP Library › Granted Patent US 6,760,421
Granted Patent Utility Small
US 6,760,421 · Confirmation No. 4311

TELEPHONY SECURITY SYSTEM

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2014-06-23 OATH Oath or Declaration filed 15 View
2014-06-23 OATH Oath or Declaration filed 15 View
2007-11-01 PA.. Power of Attorney 1 View
2007-11-01 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2007-11-01 N417 Electronic Filing System Acknowledgment Receipt 2 View
2002-03-15 TRNA Transmittal of New Application 3 View
2002-03-15 DRW Drawings-only black and white line drawings 13 View
2001-10-19 TRNA Transmittal of New Application 8 View
2001-10-19 A.PE Preliminary Amendment 102 View
2001-10-19 SPEC Specification 20 View
2001-10-19 CLM Claims 3 View
2001-10-19 ABST Abstract 1 View
2001-10-19 DRW Drawings-only black and white line drawings 12 View
2001-10-19 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,760,421
App. No.
10/035,639
Filed
2001-10-19
Granted
2004-07-06
Pub. No.
US20020090073A1
Examiner
BUI, BING Q
Art Unit
2642
PTA
0 days