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: 1
Patent #:
Issue Dt:
08/10/1982
Application #:
06223447
Filing Dt:
01/08/1981
Inventors:
RALPH A. LANDRUM, JUAN B. VALLHONRAT, PAUL M. PERRY
Title:
NOISE-SUPPRESSION METHOD
Assignment: 1
Reel/Frame:
004725/0239Recorded: 05/11/1987Pages: 30
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
04/30/1987
Assignee:
10,001 RICHMOND AVE.
HOUSTON, TEXAS 77042
Correspondent:
WESTERN ATLAS INTERNATIONAL, INC.,
P.O. BOX 2469
HOUSTON, TX 77252

Search Results as of: 10/11/2025 01:20 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