Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5495697 | Decorative elements for subceilings | Wesley T. K. Bischel, Chester W. Hallett, Henry G. Stein | 1996-03-05 |
| 5421132 | Decorative elements for subceilings | Wesley T. K. Bischel, Chester W. Hallett, Henry G. Stein | 1995-06-06 |
| 5265393 | Decorative elements for subceilings | Wesley T. K. Bischel, Chester W. Hallett, Henry G. Stein | 1993-11-30 |