Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10844652 | Low-elasticity spacer for hollow-core structures | — | 2020-11-24 |
| 10753141 | Spacer for hollow-core structures | — | 2020-08-25 |
| 8226788 | Method of manufacturing a molded door | — | 2012-07-24 |
| 7481900 | Method of manufacturing a molded door skin | — | 2009-01-27 |
| 6132836 | Corrugated structural paper fillers for the interior areas of hollow doors and the method of making same | — | 2000-10-17 |
| 5992127 | Universal expandable spacer cores for hollow doors and the method of making same | — | 1999-11-30 |
| 5875608 | Expandable spacer cores for flush doors and the method of making same | — | 1999-03-02 |
| 5875609 | Expandable spacer cores for panel doors and the method of making same | — | 1999-03-02 |
| 4386482 | Wood door with molding strips forming annular seal around the periphery of the door to prevent delamination | — | 1983-06-07 |