Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6251476 | Methods for spray-on insulation for walls and floor | Steven A. Kempe | 2001-06-26 |
| 5853802 | Methods for spray-on insulation | Steven A. Kempe, William F. Boyer | 1998-12-29 |
| 5684068 | Spray-on insulation | Steven A. Kempe, William F. Boyer | 1997-11-04 |
| 4923121 | Spray nozzle and methods | — | 1990-05-08 |
| 4360440 | Insulating fiber mixture, adhesive, and process | John L. Webb | 1982-11-23 |
| 4187983 | Plural component-multi state mixing and encapsulating nozzle | — | 1980-02-12 |