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:
11/15/1988
Application #:
07020568
Filing Dt:
03/02/1987
Inventor:
LESLIE C. HARDISON
Title:
REMOVAL OF HYDROGEN SULFIDE FROM SOUR WATER
Assignment: 1
Reel/Frame:
004701/0249Recorded: 04/24/1987Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
02/22/1987
Assignee:
600 NORTH FIRST BANK DRIVE
PALATINE, ILLINOIS 60067
Correspondent:
MARSHALL, O'TOOLE, GERSTEIN, MURRAY ETAL
TWO FIRST NATIONAL PLAZA, SUITE 2100
CHICAGO, IL 60603
Assignment: 2
Reel/Frame:
006952/0050Recorded: 04/18/1994Pages: 9
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
01/14/1994
Assignee:
1501 EAST WOODFIELD ROAD
SUITE 200 WEST
SCHAUMBURG, ILLINOIS 60173
Correspondent:
ALLEGRETTI & WITCOFF, LTD.
DAVID M. FRISCHKORN
10 SOUTH WACKER DRIVE
SUITE 3000
CHICAGO, IL 60606

Search Results as of: 05/23/2024 03:57 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