Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8381490 | Dual glazed framing system for encapsulating translucent insulating particulate material and method of making same | Mark A. Back, John E. Welsh | 2013-02-26 |
| 7836641 | Multi-piece eaves beam for preassembled glazed roof system | Mark A. Back, John E. Welsh | 2010-11-23 |
| 7392623 | Eaves beam with framing | Mark A. Back, John E. Welsh | 2008-07-01 |
| 7246469 | Multi-piece eaves beam for preassembled glazed roof system | Mark A. Back, John E. Welsh | 2007-07-24 |
| 7191566 | Eaves beam with internal drainage | Mark A. Back, John E. Welsh | 2007-03-20 |