Patent Assignment Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
|
| Reel/Frame: | 005013/0479 | |
| Pages: | 1 |
| | Recorded: | 02/09/1989 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
|
|
Total properties:
1
|
|
|
|
Patent #:
|
|
Issue Dt:
|
08/28/1990
|
Application #:
|
07199991
|
Filing Dt:
|
05/26/1988
|
|
Title:
|
POLYIMIDE FOAMS AND THEIR PRODUCTION
|
|
|
Correspondence name and address
|
| |
JOHN F. SIEBERTH
|
| |
PATENT & TRADEMARK DIV.
|
| |
ETHYL CORP.
|
| |
451 FL. BLVD.
|
| |
BATON ROUGE, LA 70801
|
Search Results as of:
06/23/2025 08:57 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
|
