Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9347215 | Flashing and waterproofing membrane | Michael L. Wright, Whitney J. Croft | 2016-05-24 |
| 8603629 | Flashing and waterproofing membrane | Michael L. Wright, Whitney J. Croft | 2013-12-10 |
| 6627017 | Self-adhesive laminate for sealing window frames and method of sealing window frames | — | 2003-09-30 |
| 6479119 | Self-adhesive laminate for sealing window frames and method of sealing window frames | — | 2002-11-12 |
| 5142837 | Roof structure | Robert E. Simpson | 1992-09-01 |
| 5096759 | Laminated roofing sheet | Robert E. Simpson | 1992-03-17 |
| 4936938 | Process of making roofing material | Robert E. Simpson | 1990-06-26 |
| 4264993 | Method for space dyeing yarn | Danny M. Freeman, Milton M. Knight, Jr., Clarence M. Payton, Howard B. Smith, Jr. | 1981-05-05 |