Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5968648 | Fibers having phosphorus-containing coatings | Charles F. Rapp, Carl R. Strauss | 1999-10-19 |
| 5658836 | Mineral fibers and their compositions | Charles F. Rapp, Carl R. Strauss | 1997-08-19 |
| 5576252 | Irregularly-shaped glass fibers and insulation therefrom | Charles F. Rapp, Ron W. Mayhew | 1996-11-19 |
| 4552793 | Reoriented glass fiber board product | Phillip W. Blackmore | 1985-11-12 |