Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6024026 | Tri-height folding stage | Gary W. Andert, Thomas J. Luedke | 2000-02-15 |
| 5660121 | Folding framework and support legs | Donald A. Shank | 1997-08-26 |
| 5615451 | Roller assembly lift mechanism | Virgil D. Peterson, Gary W. Andert | 1997-04-01 |
| 5349789 | Multi-level folding stage | Gary W. Andert, Andrew J. Shea | 1994-09-27 |
| 4979340 | Mobile folding choral riser | Keremit H. Wilson | 1990-12-25 |