Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7648653 | Conductive polyoxymethylene composition | Majiid Khalatbri, Wolfgang Heim, Theodore Zavadil | 2010-01-19 |
| 7336969 | Multiple channel communications system | James A. Minnick, Michael Bueter, Jeffrey Coil | 2008-02-26 |
| 6950658 | Multiple channel communications system | James A. Minnick, Michael Bueter, Jeffrey Coil | 2005-09-27 |
| 6654682 | Transit planning system | Roland Kane, Chad Reed, Gareth R. Strope, Richard A. Stanek | 2003-11-25 |
| 6370381 | Multiple channel communications system | James A. Minnick, Michael Bueter, Jeffrey Coil | 2002-04-09 |
| 5531958 | Process for improving the debinding rate of ceramic and metal injection molded products | — | 1996-07-02 |
| 5453455 | Rigid polyurethane foams containing lithium salts for energy absorbing applications | Donald L. Christman, Andreas Rothacker, Thomas B. K. Lee | 1995-09-26 |
| 5424338 | Rigid hydrophilic polyurethane foams | — | 1995-06-13 |
| 5296516 | Polyurethane and polyisocyanurate rigid foams prepared using ternary blowing agent mixtures | Curtis J. Reichel | 1994-03-22 |
| 5264461 | Integral skin rigid polyurethane structural foam | — | 1993-11-23 |
| 5260347 | Low density, water-blown, rigid polyurethane foams having good physical properties and improved initial surface friability | Thomas B. K. Lee | 1993-11-09 |
| 5258416 | Rigid polyurethane foams containing lithium salts for energy absorbing applications | Donald L. Christman, Andreas Rothacker, Thomas B. K. Lee | 1993-11-02 |
| 5258418 | Low density, water-blown, rigid polyurethane foams having good physical properties and improved initial surface friability | Thomas B. K. Lee | 1993-11-02 |
| 5248703 | Rigid polyurethane foams containing lithium salts for energy absorbing applications | Donald L. Christman, Andreas Rothacker, Thomas B. K. Lee | 1993-09-28 |
| 5057544 | Integral skin rigid urethane foam | David Joon HO | 1991-10-15 |
| 4780482 | Integral skin rigid polyurethane structural foam | — | 1988-10-25 |
| 4438224 | Method for the preparation of styrene polymer foam and foam prepared thereby | Kyung W. Suh, Burch E. Zehner | 1984-03-20 |
| 4421866 | Method for the preparation of styrene polymer foam | Kyung W. Suh, Burch E. Zehner | 1983-12-20 |