Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7096872 | Ear plugs and method of forming same | Jeffrey C. Lewis | 2006-08-29 |
| 6758522 | Apparatus and method for varying coefficients of friction in a variable apex back support | Stephen Porter, James Ligon | 2004-07-06 |
| 6398997 | Method of extruding thermoplastic elastomer foam using water as a blowing agent | Matthew Macker, Christopher A. Burkland, Jeffrey Hana, Kurt Schwarzwalder | 2002-06-04 |
| 6227618 | Cable attachment for a lumbar support | Stephen P. Porter, William M. Prendergast, Anthony Haba | 2001-05-08 |
| 6110404 | Method of extruding thermoplastic elastomer foam using water as a blowing agent | Matthew Macker | 2000-08-29 |
| 6045185 | Cable attachment for a lumbar support | Stephen P. Porter, William M. Prendergast, Anthony Haba | 2000-04-04 |
| 5984407 | Cable attachment for a lumbar support | Stephen P. Porter | 1999-11-16 |
| 5857743 | Power adjustable side bolster | Brett P. Bellmore | 1999-01-12 |
| 5842659 | Lever actuator | Stephen P. Porter, Andrew L. Patrius, Jr. | 1998-12-01 |
| 5681005 | Lever actuator | Stephen P. Porter, Andrew L. Patrius, Jr. | 1997-10-28 |
| 5609394 | Four-way lumbar support | Stephen P. Porter | 1997-03-11 |
| 5518294 | Variable apex back support | Stephen P. Porter, Andrew L. Patrias, Jr. | 1996-05-21 |
| 5089311 | Open faced sandwich barrier | — | 1992-02-18 |
| 4810548 | Sandwich seal fixture | Thomas L. Coon, Joseph R. Peters | 1989-03-07 |