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:005200/0801   Pages: 2
Recorded: 12/11/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Total properties: 1
1
Patent #:
Issue Dt:
01/01/1991
Application #:
07422774
Filing Dt:
10/17/1989
Title:
METHOD AND APPARATUS FOR ESTABLISHING COMMUNICATION WITH A DOWNHOLE PORTION OF A CONTROL FLUID PIPE
Assignor
1
Exec Dt:
11/22/1989
Assignee
1
3900 ESSEX LANE, STE. 1200,
HOUSTON,, TEXAS 77027
Correspondence name and address
WILLIAM C. NORVELL, JR.
HUBBARD, THURMAN, TURNER & TUCKER
6363 WOODWAY STE. 275
HOUSTON, TX 77057

Search Results as of: 06/20/2024 11:45 AM
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