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:
|
08/24/1993
|
Application #:
|
07840378
|
Filing Dt:
|
02/24/1992
|
|
Inventor:
|
DAVID B. KNOWLES
|
|
Title:
|
PHOTOCHROMIC NAPHTHOPYRANS
|
|
|
Assignment:
1
|
|
|
|
|
|
|
ASSIGNMENT OF ASSIGNORS INTEREST.
|
|
|
|
|
|
|
|
|
| A CORP. OF PA |
| PITTSBURGH, PENNSYLVANIA |
|
|
|
|
| IRWIN M. STEIN |
| PATENT DEPT. |
| PPG INDUSTRIES, INC. |
| ONE PPG PLACE |
| PITTSBURGH, PA 15272 |
|
|
|
Assignment:
2
|
|
|
|
|
|
|
ASSIGNMENT OF ASSIGNORS INTEREST.
|
|
|
|
|
|
|
|
|
| 9251 BELCHER ROAD |
| PINELLAS PARK, FLORIDA 34664 |
|
|
|
|
| PPG INDUSTRIES, INC. |
| IRWIN M. STEIN, ESQ. |
| PATENT DEPARTMENT - 39S |
| ONE PPG PLACE |
| PITTSBURGH, PA 15272 |
|
|
Search Results as of:
05/10/2024 05:07 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
|
