Downs; Kenneth L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Downs; Kenneth L..The latest application filed is for "insulating panels containing insulating powders and insulating gases".
- Downs; Kenneth L. - Louisville KY
| Patent | Date |
|---|---|
| Insulating panels containing insulating powders and insulating gases Grant 4,798,753 - Abuaf , et al. January 17, 1 | 1989-01-17 |
| Insulation formed of precipitated silica and fly ash Grant 4,681,788 - Barito , et al. July 21, 1 | 1987-07-21 |
| Precipitated silica insulation Grant 4,636,415 - Barito , et al. January 13, 1 | 1987-01-13 |
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