Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4584814 | Method and apparatus for fastening an insulation module to a surface | Mack A. Hounsel | 1986-04-29 |
| 4493176 | Insulation module mounting means | — | 1985-01-15 |
| 4481746 | Mini-module and method of installing same to fill gaps between adjacent insulation modules | — | 1984-11-13 |
| 4439175 | Apparatus for forming thermal insulation blocks | Brad A. Heffelmire | 1984-03-27 |
| 4339902 | Multiple layer thermal insulation device | Brad A. Heffelmire | 1982-07-20 |
| 4272638 | Heater element supports for use with fibrous block insulations | — | 1981-06-09 |