Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4991731 | Retortable composite closure for plastic containers | Thomas W. Osip | 1991-02-12 |
| 4951845 | Closure with filter | Gary N. Smith, Jerold W. Montgomery | 1990-08-28 |
| 4934545 | Closure with microbial filter | James T. Renick, Gary N. Smith, Jerold W. Montgomery, David Hofferbert, Mark E. Larkin | 1990-06-19 |
| 4487891 | Thermoplastic polymer blend composition and membrane formed therefrom | Kim L. Walton | 1984-12-11 |
| 4385077 | Asbestos treatment with metal oxides | Stanley F. Spangenberg | 1983-05-24 |
| 4309477 | Asbestos treatment with metal sulfides | — | 1982-01-05 |
| 4234377 | Asbestos treatment | — | 1980-11-18 |