Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7694368 | Positive lock for height adjustable ambulance cot | — | 2010-04-13 |
| 7410101 | Technician safety confirmation | — | 2008-08-12 |
| 7059379 | Low head room overhead door system with adjustable short radius track section | Jeffrey W. Stone, Thomas E. Youtsey | 2006-06-13 |
| 6994258 | Technician safety confirmation | — | 2006-02-07 |
| 6840300 | Track guard for a sectional overhead door assembly | — | 2005-01-11 |
| 6772814 | Combined weather seal, light block and wear insert for overhead door panel | Alan R. Leist, Jeffrey W. Stone, Thomas E. Youtsey | 2004-08-10 |
| 6761521 | Captive screw | Edward A. McCormack, Thomas J. Ellis, Danin Sewalt, Harry L. Dickerson, Michael Menta +3 more | 2004-07-13 |
| 6698492 | Hinge guard for overhead door | — | 2004-03-02 |
| 6047761 | Universal overhead door system | Edwin C. Jaehnen, Kenneth E. Carper, Bob Bailey | 2000-04-11 |
| 6006817 | Overhead door, panel and hinge assembly | Jeffery W. Stone, Thomas E. Youtsey, William John White | 1999-12-28 |
| 5992497 | Slip and lock connection system | Edwin C. Jaehnen, Kenneth E. Carper, Bob Bailey | 1999-11-30 |
| 5709259 | Multiple section modular door and joint structure | Bobby G. Bailey, Alan R. Leist, Frank R. Wilgus, Frank A. Wilgus | 1998-01-20 |
| 5626176 | Multiple section modular door and joint structure | Bobby G. Bailey | 1997-05-06 |
| 5555923 | Sectional door having multiple piece panel sections | Alan R. Leist, William Sachs | 1996-09-17 |
| 4637596 | Structural core pivot | — | 1987-01-20 |