IP Library › Granted Patent US 6,620,709
Granted Patent Utility
US 6,620,709 · Confirmation No. 4358

FABRICATION OF SEMICONDUCTOR MATERIALS AND DEVICES WITH CONTROLLED ELECTRICAL CONDUCTIVITY

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2021-02-17 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2021-02-17 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2020-12-09 PA.. Power of Attorney 2 View
2020-12-09 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2020-12-09 N417 Electronic Filing System Acknowledgment Receipt 2 View
2003-07-17 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-07-17 LET. Miscellaneous Incoming Letter 2 View
2003-07-17 DRW Drawings-only black and white line drawings 3 View
2002-07-09 TRNA Transmittal of New Application 2 View
2002-07-09 DRW Drawings-only black and white line drawings 3 View
2002-04-11 TRNA Transmittal of New Application 2 View
2002-04-11 A.PE Preliminary Amendment 2 View
2002-04-11 SPEC Specification 16 View
2002-04-11 CLM Claims 7 View
2002-04-11 ABST Abstract 1 View
2002-04-11 DRW Drawings-only black and white line drawings 3 View
2002-04-11 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,620,709
App. No.
10/133,530
Filed
2002-04-11
Granted
2003-09-16
Pub. No.
US20020173165A1
Examiner
LE, THAO P
Art Unit
2818
PTA
-62 days