Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7861763 | Method of making an optimized overhead sectional door and associated door panel | Alan R. Leist | 2011-01-04 |
| 7059379 | Low head room overhead door system with adjustable short radius track section | Richard Lewis, Jeffrey W. Stone | 2006-06-13 |
| 6772814 | Combined weather seal, light block and wear insert for overhead door panel | Alan R. Leist, Richard Lewis, Jeffrey W. Stone | 2004-08-10 |
| 6006817 | Overhead door, panel and hinge assembly | Jeffery W. Stone, Richard Lewis, William John White | 1999-12-28 |
| 5129441 | Sectional doors and compressible flexible hinge assemblies | Alan R. Leist | 1992-07-14 |
| 5054536 | Sectional doors and flexible hinge assemblies | Alan R. Leist, Thomas G. Mushaben | 1991-10-08 |
| 4995441 | Sectional doors and flexible hinge assemblies | Alan R. Leist, Thomas G. Mushaben | 1991-02-26 |