skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Reel/Frame:014284/0940   Pages: 3
Recorded: 07/15/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 1
1
Patent #:
Issue Dt:
08/22/2006
Application #:
10420028
Filing Dt:
04/17/2003
Publication #:
Pub Dt:
10/21/2004
Title:
USE OF MANGANESE COMPOUNDS TO IMPROVE THE EFFICIENCY OF AND REDUCE BACK-CORONA DISCHARGE ON ELECTROSTATIC PRECIPITATORS
Assignors
1
Exec Dt:
06/16/2003
2
Exec Dt:
06/16/2003
3
Exec Dt:
06/16/2003
Assignee
1
330 SOUTH FOURTH STREET
RICHMOND, VIRGINIA 23219
Correspondence name and address
ETHYL CORPORATION
LAW DEPT., PATENTS & TRADEMARKS
DENNIS H. RAINER
330 SOUTH FOURTH STREET
RICHMOND, VA 23219

Search Results as of: 06/26/2024 06:14 PM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT