Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6737106 | Methods for spray-on insulation | William F. Boyer, Harry Joe Witt | 2004-05-18 |
| 6251476 | Methods for spray-on insulation for walls and floor | Harold F. Boyer | 2001-06-26 |
| 5853802 | Methods for spray-on insulation | Harold F. Boyer, William F. Boyer | 1998-12-29 |
| 5684068 | Spray-on insulation | Harold F. Boyer, William F. Boyer | 1997-11-04 |