IP Library Granted Patent US 6,673,688
Granted Patent Utility
US 6,673,688 · Confirmation No. 2830

METHOD FOR ELIMINATING COLLECTOR-BASE BAND GAP IN AN HBT

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Code Description Pages PDF
2016-11-01 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2016-11-01 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2016-10-24 MFEE.C.AD Maintenance Fee Address Change 1 View
2016-10-24 C.AD Change of Address 1 View
2016-10-24 N417 Electronic Filing System Acknowledgment Receipt 2 View
2016-10-24 PA.. Power of Attorney 1 View
2008-03-27 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2003-10-24 IFEE Issue Fee Payment (PTO-85B) 3 View
2002-11-21 TRNA Transmittal of New Application 4 View
2002-11-21 A.PE Preliminary Amendment 8 View
2002-11-21 SPEC Specification 19 View
2002-11-21 CLM Claims 4 View
2002-11-21 ABST Abstract 1 View
2002-11-21 DRW Drawings-only black and white line drawings 5 View
2002-11-21 OATH Oath or Declaration filed 6 View
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Quick Facts
Patent No.
US 6,673,688
App. No.
10/301,885
Filed
2002-11-21
Granted
2004-01-06
Art Unit
2813
PTA
-4 days