Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7811636 | Non-flammable waterproofing composition | P. James HOUSTON, Paul Marshall, John Clifton Frye | 2010-10-12 |
| 7642312 | Non-flammable waterproofing composition | — | 2010-01-05 |
| 7598310 | Non-flammable waterproofing composition | Paul Marshall | 2009-10-06 |
| 7084201 | Non-flammable waterproofing composition | Paul Marshall | 2006-08-01 |