Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847155 | Barrier film structures | Gerald M. Lancaster, David C. Kelley, Russell H. Cramm | 1989-07-11 |
| 4766035 | Barrier film structures | Gerald M. Lancaster, Russell H. Cramm, David C. Kelley | 1988-08-23 |
| 4762731 | Barrier film structures using carbon monoxide-containing polymers | Gerald M. Lancaster, David C. Kelley, Russell H. Cramm | 1988-08-09 |
| 4640865 | Barrier film structures | Gerald M. Lancaster, David C. Kelley, Russell H. Cramm | 1987-02-03 |