Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11305227 | Heated moisture pump having a differential valve area | Earl Ball, Michael Keough | 2022-04-19 |
| 7217314 | Venting system for minimizing condensation in a lighting assembly | Kerry L. DeWitt | 2007-05-15 |
| 6709493 | Device for reducing the presence of moisture within an enclosure containing a heat source | Kerry L. DeWitt, Amy E. Johnson | 2004-03-23 |
| 5522769 | Gas-permeable, liquid-impermeable vent cover | — | 1996-06-04 |
| 4623673 | Urethane-modified polyisocyanurate rigid foam | Gilda C. Gonzales | 1986-11-18 |
| 4335218 | Process for the preparation of a foam-cored laminate having metal facers and rigid polyisocyanurate foam core prepared in the presence of a dipolar aprotic organic solvent | — | 1982-06-15 |
| 4237238 | Polyisocyanurate foams based on esterified DMI oxidation residue additive | Richard A. Kolakowski | 1980-12-02 |