Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693134 | Gray interference pigment and process for producing the same | — | 1997-12-02 |
AS
Alfred Stephens
Overall (1997): #177,792 of 185,788Top 100%
1
Patents 1997