Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8424681 | Package box for specialty shingles | Patrick Harold Schonhardt, Robert L. Jenkins, Steven A. Koch | 2013-04-23 |
| 7565971 | Package of specialty roofing materials, insert therefore and method of packaging | Robert L. Jenkins | 2009-07-28 |