Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6795172 | Method for preparing a cut surface in uncured rubber samples for measuring filter dispersion | John B. Putman, Matthew C. Putman | 2004-09-21 |
| 6681617 | Variable eccentric rheometer system | John B. Putman, Bradley HENRY | 2004-01-27 |