Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804507 | Process and apparatus for producing gas pressurized foam particles | Louis C. Rubens | 1989-02-14 |
SC
Stephen P. Chum
Overall (1989): #55,781 of 140,708Top 40%
1
Patents 1989