Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9656903 | Method of manufacturing high strength glass fibers in a direct melt operation and products formed there from | Peter B. McGinnis, Douglas A. Hofmann, David J. Baker, Byron Bemis | 2017-05-23 |
| 9206068 | Method of manufacturing S-glass fibers in a direct melt operation and products formed therefrom | Peter B. McGinnis, Douglas A. Hofmann, David J. Baker, Byron Bemis | 2015-12-08 |
| 8987154 | Modulus, lithium free glass | Douglas A. Hofmann, Peter B. McGinnis, Anne Berthereau | 2015-03-24 |
| 5789329 | Boron-free glass fibers | Walter L. Eastes, Douglas A. Hofmann | 1998-08-04 |