Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8925272 | Roofing shingles with reduced usage of conventional shingle material having side lap extension | Peter Chihlas, Robert L. Jenkins, Stephen A. Koch, Jennifer A. Millberg, Richard A. Snyder +1 more | 2015-01-06 |
| 8898963 | Roofing shingles with reduced usage of conventional shingle material and having a combination vertical and lateral lap extension | Peter Chihlas, Gregory F. Jacobs, Robert L. Jenkins, Stephen A. Koch, Jennifer A. Millberg +2 more | 2014-12-02 |
| 8898987 | Roofing shingles with reduced usage of conventional shingle material and having top lap extension | Peter Chihlas, Gregory F. Jacobs, Robert L. Jenkins, Stephen A. Koch, Jennifer A. Millberg +2 more | 2014-12-02 |