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 Abstract of Title
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Total Assignments: 2
Patent #:
Issue Dt:
05/03/1994
Application #:
08036562
Filing Dt:
03/24/1993
Inventors:
STEVEN C. BRANDON, ROY SEGARS JR.
Title:
METHOD FOR IMPROVING FILTER EFFICIENCY
Assignment: 1
Reel/Frame:
006543/0046Recorded: 05/28/1993Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
04/06/1993
Exec Dt:
04/07/1993
Assignee:
1007 MARKET STREET
LEGAL - PATENTS
WILMINGTON, DELAWARE 19898
Correspondent:
FRANK C. HILBERG, JR.
E. I. DU PONT DE NEMOURS COMPANY
LEGAL - PATENTS
1007 MARKET STREET
WILMINGTON, DE 19898
Assignment: 2
Reel/Frame:
007308/0056Recorded: 01/12/1995Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/14/1994
Assignee:
200 LAKE DRIVE
GLASGOW, DELAWARE 19711
Correspondent:
JON CARL GEALOW
KECK, MAHIN & CATE
P.O. BOX 06110
CHICAGO, IL 60606-0110

Search Results as of: 06/16/2025 07:58 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