Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7841058 | Device and method for making a roof fitment | — | 2010-11-30 |
| 7810537 | Apparatus and method for sealing a vertical protrusion on a roof | — | 2010-10-12 |
| 7387149 | Apparatus and method for sealing a vertical protrusion on a roof | — | 2008-06-17 |
| 7347907 | Adjustable roof fitment and method of making the same | Robert L. Mayle | 2008-03-25 |
| 6892499 | Apparatus and method for sealing a vertical protrusion on a roof | — | 2005-05-17 |
| 6892782 | Apparatus and method for sealing a vertical protrusion on a roof | — | 2005-05-17 |
| 6754993 | Adjustable corner roof membrane and method of making the same | Robert L. Mayle | 2004-06-29 |
| 6691473 | Apparatus and method for sealing a vertical protrusion on a roof | Robert L. Mayle | 2004-02-17 |
| 6620271 | Open die system | Robert L. Mayle | 2003-09-16 |
| 6616781 | Open die system | Robert L. Mayle | 2003-09-09 |
| 6427412 | Roof membrane attachment system | Robert L. Mayle | 2002-08-06 |
| 6110311 | Adjustable roof membrane component and method | Robert L. Mayle | 2000-08-29 |
| 5930969 | Roof membrane attachment system | Robert L. Mayle | 1999-08-03 |
| 4861219 | Apparatus for lifting and carrying heavy loads | — | 1989-08-29 |
| 4854804 | Lifting and carrying heavy loads | — | 1989-08-08 |
| 4740131 | Apparatus for lifting and carrying heavy loads | — | 1988-04-26 |