Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6418610 | Methods for using a support backer board system for siding | John W. Lubker, II | 2002-07-16 |
| 6263574 | Methods for using a support backer board system for siding | John W. Lubker, II | 2001-07-24 |
| 5451356 | Method of forming perforations in a structure during molding thereof | — | 1995-09-19 |