Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8511023 | Wall panel mounting system | Peder J. Gulbrandsen, Gregory M. Ahren | 2013-08-20 |
| 8443564 | Field adjustable grid intersection clip | — | 2013-05-21 |
| 8051618 | Panel attachment clip | Gregory M. Ahren, James A. Fletterick | 2011-11-08 |
| 7658047 | Suspended ceiling system | Gregory M. Ahren, John Harcula | 2010-02-09 |
| D608619 | Bridge apparatus useful for ceiling grid systems | Peder J. Gulbrandsen, Peter B. Groza, Gregory M. Ahren | 2010-01-26 |
| 7637065 | Panel attachment clip | Gregory M. Ahren, James A. Fletterick | 2009-12-29 |
| 7634881 | Cross panel | Gregory M. Ahren | 2009-12-22 |
| 7478787 | Paired main tee clip | James A. Fletterick | 2009-01-20 |
| 7392629 | Suspended ceiling system | Gregory M. Ahren, John Harcula | 2008-07-01 |
| 6763641 | Gridless free form plank ceiling | Gregory M. Ahren | 2004-07-20 |