Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8468757 | Photovoltaic roofing systems and methods for installing them | Richard H. Krause, Stephen A. Koch, Wayne E. Shaw, Gregory F. Jacobs | 2013-06-25 |
| 8413809 | Packaging for specialty shingle | Stephen A. Koch, Robert L. Jenkins, Husnu M. Kalkanoglu, Gregory F. Jacobs, Barbara A. McDonough | 2013-04-09 |
| 8209920 | Photovoltaic roofing systems and methods for installing them | Richard H. Krause, Stephen A. Koch, Wayne E. Shaw, Gregory F. Jacobs | 2012-07-03 |
| 6170117 | Multiple rake sootblower with internal valving manifold | — | 2001-01-09 |
| 5909767 | Recuperative cross flow plate-type heat exchanger | — | 1999-06-08 |