IP Library › Granted Patent US 6,574,414
Granted Patent Utility
US 6,574,414 · Confirmation No. 6443

LIGHT TRANSMISSION APPARATUS AND METHOD

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2016-03-21 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2012-02-02 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2012-02-02 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-07-05 PA.. Power of Attorney 2 View
2011-07-05 N417 Electronic Filing System Acknowledgment Receipt 2 View
2008-06-18 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-06-18 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-06-13 LET. Miscellaneous Incoming Letter 1 View
2008-06-13 PA.. Power of Attorney 1 View
2008-06-13 C.AD Change of Address 1 View
2001-01-08 TRNA Transmittal of New Application 1 View
2001-01-08 SPEC Specification 9 View
2001-01-08 CLM Claims 4 View
2001-01-08 ABST Abstract 1 View
2001-01-08 DRW Drawings-only black and white line drawings 2 View
2001-01-08 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,574,414
App. No.
09/756,088
Filed
2001-01-08
Granted
2003-06-03
Pub. No.
US20020090193A1
Art Unit
2882
PTA
-50 days