Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5114539 | Methods for manufacturing paper products | John G. Penniman | 1992-05-19 |
| 4684440 | Method for manufacturing paper products | John G. Penniman | 1987-08-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5114539 | Methods for manufacturing paper products | John G. Penniman | 1992-05-19 |
| 4684440 | Method for manufacturing paper products | John G. Penniman | 1987-08-04 |